65472245091 has 48 divisors (see below), whose sum is σ = 104693228640. Its totient is φ = 39097728000.

The previous prime is 65472245057. The next prime is 65472245099. The reversal of 65472245091 is 19054227456.

65472245091 is a `hidden beast` number, since 6 + 54 + 72 + 24 + 509 + 1 = 666.

It is not a de Polignac number, because 65472245091 - 2⁷ = 65472244963 is a prime.

It is a super-2 number, since 2×65472245091² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65472245099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1936411 + ... + 1969931.

It is an arithmetic number, because the mean of its divisors is an integer number (2181108930).

Almost surely, 2^65472245091 is an apocalyptic number.

65472245091 is a deficient number, since it is larger than the sum of its proper divisors (39220983549).

65472245091 is a wasteful number, since it uses less digits than its factorization.

65472245091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33828 (or 33825 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 65472245091 in words is "sixty-five billion, four hundred seventy-two million, two hundred forty-five thousand, ninety-one".