1850634361 has 3 divisors (see below), whose sum is σ = 1850677381. Its totient is φ = 1850591342.

The previous prime is 1850634341. The next prime is 1850634367. The reversal of 1850634361 is 1634360581.

The square root of 1850634361 is 43019.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1634360581 = 7 ⋅233480083.

It is not a de Polignac number, because 1850634361 - 2¹¹ = 1850632313 is a prime.

It is a super-2 number, since 2×1850634361² = 6849695076227756642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1850634361.

It is not an unprimeable number, because it can be changed into a prime (1850634367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 21510 + ... + 64528.

Almost surely, 2^1850634361 is an apocalyptic number.

1850634361 is the 43019-th square number.

1850634361 is the 21510-th centered octagonal number.

It is an amenable number.

1850634361 is a deficient number, since it is larger than the sum of its proper divisors (43020).

1850634361 is an frugal number, since it uses more digits than its factorization.

1850634361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86038 (or 43019 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The cubic root of 1850634361 is about 1227.7413240700.

The spelling of 1850634361 in words is "one billion, eight hundred fifty million, six hundred thirty-four thousand, three hundred sixty-one".