7447516965 has 48 divisors (see below), whose sum is σ = 14809436928. Its totient is φ = 3391596288.

The previous prime is 7447516957. The next prime is 7447516987. The reversal of 7447516965 is 5696157447.

7447516965 is a `hidden beast` number, since 7 + 4 + 475 + 169 + 6 + 5 = 666.

It is not a de Polignac number, because 7447516965 - 2³ = 7447516957 is a prime.

It is a super-2 number, since 2×7447516965² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37897 + ... + 127793.

It is an arithmetic number, because the mean of its divisors is an integer number (308529936).

Almost surely, 2^7447516965 is an apocalyptic number.

It is an amenable number.

7447516965 is a deficient number, since it is larger than the sum of its proper divisors (7361919963).

7447516965 is a wasteful number, since it uses less digits than its factorization.

7447516965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90178 (or 90175 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 7447516965 is about 86298.9974738988. The cubic root of 7447516965 is about 1952.8572590565.

The spelling of 7447516965 in words is "seven billion, four hundred forty-seven million, five hundred sixteen thousand, nine hundred sixty-five".