65441612802 has 64 divisors (see below), whose sum is σ = 138408912000. Its totient is φ = 20596789248.

The previous prime is 65441612791. The next prime is 65441612813. The reversal of 65441612802 is 20821614456.

It is a happy number.

65441612802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65441612791) and next prime (65441612813).

It is a super-2 number, since 2×65441612802² (a number of 22 digits) contains 22 as substring.

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, 1964824 + ... + 1997852.

It is an arithmetic number, because the mean of its divisors is an integer number (2162639250).

Almost surely, 2^65441612802 is an apocalyptic number.

65441612802 is an abundant number, since it is smaller than the sum of its proper divisors (72967299198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65441612802 is a wasteful number, since it uses less digits than its factorization.

65441612802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33315.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 65441612802 in words is "sixty-five billion, four hundred forty-one million, six hundred twelve thousand, eight hundred two".