1850027064649 has 9 divisors (see below), whose sum is σ = 1901430891381. Its totient is φ = 1799977367520.

The previous prime is 1850027064647. The next prime is 1850027064661. The reversal of 1850027064649 is 9464607200581.

The square root of 1850027064649 is 1360157.

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

It can be written as a sum of positive squares in 4 ways, for example, as 125879492025 + 1724147572624 = 354795^2 + 1313068^2 .

It is not a de Polignac number, because 1850027064649 - 2¹ = 1850027064647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1850027064596 and 1850027064605.

It is not an unprimeable number, because it can be changed into a prime (1850027064647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50307429 + ... + 50344189.

Almost surely, 2^{1850027064649} is an apocalyptic number.

1850027064649 is the 1360157-th square number.

1850027064649 is the 680079-th centered octagonal number.

It is an amenable number.

1850027064649 is a deficient number, since it is larger than the sum of its proper divisors (51403826732).

1850027064649 is an frugal number, since it uses more digits than its factorization.

1850027064649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73596 (or 36798 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 1850027064649 in words is "one trillion, eight hundred fifty billion, twenty-seven million, sixty-four thousand, six hundred forty-nine".