254245045513636 has 12 divisors (see below), whose sum is σ = 444929016553420. Its totient is φ = 127122469355520.

The previous prime is 254245045513633. The next prime is 254245045513643. The reversal of 254245045513636 is 636315540542452.

It can be written as a sum of positive squares in 2 ways, for example, as 192453026089536 + 61792019424100 = 13872744^2 + 7860790^2 .

It is a super-2 number, since 2×254245045513636² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254245045513633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461681 + ... + 22597048.

Almost surely, 2^{254245045513636} is an apocalyptic number.

It is an amenable number.

254245045513636 is a deficient number, since it is larger than the sum of its proper divisors (190683971039784).

254245045513636 is a wasteful number, since it uses less digits than its factorization.

254245045513636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700654 (or 26700652 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 55.

The spelling of 254245045513636 in words is "two hundred fifty-four trillion, two hundred forty-five billion, forty-five million, five hundred thirteen thousand, six hundred thirty-six".