65072951458 has 24 divisors (see below), whose sum is σ = 109146236400. Its totient is φ = 29010846528.

The previous prime is 65072951369. The next prime is 65072951459. The reversal of 65072951458 is 85415927056.

It is a happy number.

It is a super-2 number, since 2×65072951458² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65072951459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2951728 + ... + 2973691.

It is an arithmetic number, because the mean of its divisors is an integer number (4547759850).

Almost surely, 2^65072951458 is an apocalyptic number.

65072951458 is a deficient number, since it is larger than the sum of its proper divisors (44073284942).

65072951458 is a wasteful number, since it uses less digits than its factorization.

65072951458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925474 (or 5925457 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 65072951458 in words is "sixty-five billion, seventy-two million, nine hundred fifty-one thousand, four hundred fifty-eight".