49323381615 has 24 divisors (see below), whose sum is σ = 85499185200. Its totient is φ = 26304165504.

The previous prime is 49323381599. The next prime is 49323381617. The reversal of 49323381615 is 51618332394.

49323381615 is a `hidden beast` number, since 4 + 9 + 3 + 23 + 3 + 8 + 1 + 615 = 666.

It is not a de Polignac number, because 49323381615 - 2⁴ = 49323381599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49323381617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1142004 + ... + 1184406.

It is an arithmetic number, because the mean of its divisors is an integer number (3562466050).

Almost surely, 2^49323381615 is an apocalyptic number.

49323381615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49323381615 is a deficient number, since it is larger than the sum of its proper divisors (36175803585).

49323381615 is a wasteful number, since it uses less digits than its factorization.

49323381615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68263 (or 68260 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 49323381615 in words is "forty-nine billion, three hundred twenty-three million, three hundred eighty-one thousand, six hundred fifteen".