25064730456213 has 16 divisors (see below), whose sum is σ = 40440573509760. Its totient is φ = 13480191169536.

The previous prime is 25064730456197. The next prime is 25064730456239. The reversal of 25064730456213 is 31265403746052.

It is a happy number.

It is not a de Polignac number, because 25064730456213 - 2⁴ = 25064730456197 is a prime.

It is a super-2 number, since 2×25064730456213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25064730456013) 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, 35104664148 + ... + 35104664861.

It is an arithmetic number, because the mean of its divisors is an integer number (2527535844360).

Almost surely, 2^{25064730456213} is an apocalyptic number.

It is an amenable number.

25064730456213 is a deficient number, since it is larger than the sum of its proper divisors (15375843053547).

25064730456213 is a wasteful number, since it uses less digits than its factorization.

25064730456213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70209329036.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 25064730456213 in words is "twenty-five trillion, sixty-four billion, seven hundred thirty million, four hundred fifty-six thousand, two hundred thirteen".