625436043664255 has 8 divisors (see below), whose sum is σ = 790024476207600. Its totient is φ = 474014685724416.

The previous prime is 625436043664253. The next prime is 625436043664307. The reversal of 625436043664255 is 552466340634526.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625436043664255 - 2¹ = 625436043664253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625436043664193 and 625436043664202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625436043664253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291768650770 + ... + 3291768650959.

It is an arithmetic number, because the mean of its divisors is an integer number (98753059525950).

Almost surely, 2^{625436043664255} is an apocalyptic number.

625436043664255 is a deficient number, since it is larger than the sum of its proper divisors (164588432543345).

625436043664255 is a wasteful number, since it uses less digits than its factorization.

625436043664255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583537301753.

The product of its (nonzero) digits is 373248000, while the sum is 61.

The spelling of 625436043664255 in words is "six hundred twenty-five trillion, four hundred thirty-six billion, forty-three million, six hundred sixty-four thousand, two hundred fifty-five".