900637062361 has 3 divisors (see below), whose sum is σ = 900638011381. Its totient is φ = 900636113342.

The previous prime is 900637062343. The next prime is 900637062421. The reversal of 900637062361 is 163260736009.

The square root of 900637062361 is 949019.

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: 163260736009 = 7 ⋅23322962287.

It is not a de Polignac number, because 900637062361 - 2⁵ = 900637062329 is a prime.

It is a super-2 number, since 2×900637062361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900637062341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 474510 + ... + 1423528.

Almost surely, 2^900637062361 is an apocalyptic number.

900637062361 is the 949019-th square number.

900637062361 is the 474510-th centered octagonal number.

It is an amenable number.

900637062361 is a deficient number, since it is larger than the sum of its proper divisors (949020).

900637062361 is an frugal number, since it uses more digits than its factorization.

900637062361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898038 (or 949019 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 900637062361 in words is "nine hundred billion, six hundred thirty-seven million, sixty-two thousand, three hundred sixty-one".