5646556465 has 32 divisors (see below), whose sum is σ = 7729800192. Its totient is φ = 3919608000.

The previous prime is 5646556457. The next prime is 5646556471.

5646556465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5646556465 - 2³ = 5646556457 is a prime.

It is a Duffinian number.

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, 616570 + ... + 625660.

It is an arithmetic number, because the mean of its divisors is an integer number (241556256).

Almost surely, 2^5646556465 is an apocalyptic number.

5646556465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5646556465 is a deficient number, since it is larger than the sum of its proper divisors (2083243727).

5646556465 is a wasteful number, since it uses less digits than its factorization.

5646556465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9621.

The product of its digits is 12960000, while the sum is 52.

The square root of 5646556465 is about 75143.5723465421. The cubic root of 5646556465 is about 1780.7155799207.

The spelling of 5646556465 in words is "five billion, six hundred forty-six million, five hundred fifty-six thousand, four hundred sixty-five".