7563215465 has 16 divisors (see below), whose sum is σ = 10198960128. Its totient is φ = 5342310336.

The previous prime is 7563215437. The next prime is 7563215477. The reversal of 7563215465 is 5645123657.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7563215465 - 2¹⁴ = 7563199081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528009 + ... + 2530998.

It is an arithmetic number, because the mean of its divisors is an integer number (637435008).

Almost surely, 2^7563215465 is an apocalyptic number.

It is an amenable number.

7563215465 is a deficient number, since it is larger than the sum of its proper divisors (2635744663).

7563215465 is a wasteful number, since it uses less digits than its factorization.

7563215465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059048.

The product of its digits is 756000, while the sum is 44.

The square root of 7563215465 is about 86966.7491918607. The cubic root of 7563215465 is about 1962.9180006209.

The spelling of 7563215465 in words is "seven billion, five hundred sixty-three million, two hundred fifteen thousand, four hundred sixty-five".