6457533666265 has 32 divisors (see below), whose sum is σ = 8976119970816. Its totient is φ = 4407608156160.

The previous prime is 6457533666253. The next prime is 6457533666293. The reversal of 6457533666265 is 5626663357546.

It is not a de Polignac number, because 6457533666265 - 2⁷ = 6457533666137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6457533666197 and 6457533666206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9452457 + ... + 10112566.

It is an arithmetic number, because the mean of its divisors is an integer number (280503749088).

Almost surely, 2^{6457533666265} is an apocalyptic number.

It is an amenable number.

6457533666265 is a deficient number, since it is larger than the sum of its proper divisors (2518586304551).

6457533666265 is a wasteful number, since it uses less digits than its factorization.

6457533666265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565409.

The product of its digits is 489888000, while the sum is 64.

The spelling of 6457533666265 in words is "six trillion, four hundred fifty-seven billion, five hundred thirty-three million, six hundred sixty-six thousand, two hundred sixty-five".