64606012256253 has 16 divisors (see below), whose sum is σ = 93381962366336. Its totient is φ = 39494250993600.

The previous prime is 64606012256231. The next prime is 64606012256297. The reversal of 64606012256253 is 35265221060646.

It is a de Polignac number, because none of the positive numbers 2^k-64606012256253 is a prime.

It is a super-2 number, since 2×64606012256253² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64606012256153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5485306750 + ... + 5485318527.

It is an arithmetic number, because the mean of its divisors is an integer number (5836372647896).

Almost surely, 2^{64606012256253} is an apocalyptic number.

It is an amenable number.

64606012256253 is a deficient number, since it is larger than the sum of its proper divisors (28775950110083).

64606012256253 is a wasteful number, since it uses less digits than its factorization.

64606012256253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10970625444.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 64606012256253 in words is "sixty-four trillion, six hundred six billion, twelve million, two hundred fifty-six thousand, two hundred fifty-three".