264525375421461 has 64 divisors (see below), whose sum is σ = 441532701130752. Its totient is φ = 136853115840000.

The previous prime is 264525375421427. The next prime is 264525375421481. The reversal of 264525375421461 is 164124573525462.

It is not a de Polignac number, because 264525375421461 - 2⁹ = 264525375420949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264525375421481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119704476 + ... + 121894266.

It is an arithmetic number, because the mean of its divisors is an integer number (6898948455168).

Almost surely, 2^{264525375421461} is an apocalyptic number.

264525375421461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

264525375421461 is a deficient number, since it is larger than the sum of its proper divisors (177007325709291).

264525375421461 is a wasteful number, since it uses less digits than its factorization.

264525375421461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191954.

The product of its digits is 48384000, while the sum is 57.

The spelling of 264525375421461 in words is "two hundred sixty-four trillion, five hundred twenty-five billion, three hundred seventy-five million, four hundred twenty-one thousand, four hundred sixty-one".