3648651215 has 32 divisors (see below), whose sum is σ = 4920597504. Its totient is φ = 2573907840.

The previous prime is 3648651191. The next prime is 3648651221. The reversal of 3648651215 is 5121568463.

It is not a de Polignac number, because 3648651215 - 2²⁸ = 3380215759 is a prime.

It is a Duffinian number.

It is a congruent 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, 703562 + ... + 708728.

It is an arithmetic number, because the mean of its divisors is an integer number (153768672).

Almost surely, 2^3648651215 is an apocalyptic number.

3648651215 is a deficient number, since it is larger than the sum of its proper divisors (1271946289).

3648651215 is a wasteful number, since it uses less digits than its factorization.

3648651215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567.

The product of its digits is 172800, while the sum is 41.

The square root of 3648651215 is about 60404.0662124662. The cubic root of 3648651215 is about 1539.4920479986.

The spelling of 3648651215 in words is "three billion, six hundred forty-eight million, six hundred fifty-one thousand, two hundred fifteen".