3648734915 has 16 divisors (see below), whose sum is σ = 5098396608. Its totient is φ = 2454781056.

The previous prime is 3648734911. The next prime is 3648734953. The reversal of 3648734915 is 5194378463.

It is not a de Polignac number, because 3648734915 - 2² = 3648734911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3648734911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981632 + ... + 985341.

It is an arithmetic number, because the mean of its divisors is an integer number (318649788).

Almost surely, 2^3648734915 is an apocalyptic number.

3648734915 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3648734915 is a deficient number, since it is larger than the sum of its proper divisors (1449661693).

3648734915 is a wasteful number, since it uses less digits than its factorization.

3648734915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967038.

The product of its digits is 2177280, while the sum is 50.

The square root of 3648734915 is about 60404.7590426450. The cubic root of 3648734915 is about 1539.5038198829.

The spelling of 3648734915 in words is "three billion, six hundred forty-eight million, seven hundred thirty-four thousand, nine hundred fifteen".