49249129579539 has 16 divisors (see below), whose sum is σ = 67347790215552. Its totient is φ = 31995137801088.

The previous prime is 49249129579487. The next prime is 49249129579591. The reversal of 49249129579539 is 93597592194294.

It is an interprime number because it is at equal distance from previous prime (49249129579487) and next prime (49249129579591).

It is not a de Polignac number, because 49249129579539 - 2⁷ = 49249129579411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49249129571539) 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, 440794257 + ... + 440905970.

It is an arithmetic number, because the mean of its divisors is an integer number (4209236888472).

Almost surely, 2^{49249129579539} is an apocalyptic number.

49249129579539 is a deficient number, since it is larger than the sum of its proper divisors (18098660636013).

49249129579539 is a wasteful number, since it uses less digits than its factorization.

49249129579539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881700706.

The product of its digits is 1984046400, while the sum is 78.

The spelling of 49249129579539 in words is "forty-nine trillion, two hundred forty-nine billion, one hundred twenty-nine million, five hundred seventy-nine thousand, five hundred thirty-nine".