49369876397 has 8 divisors (see below), whose sum is σ = 49476567096. Its totient is φ = 49263265792.

The previous prime is 49369876301. The next prime is 49369876403. The reversal of 49369876397 is 79367896394.

It can be written as a sum of positive squares in 4 ways, for example, as 14801398921 + 34568477476 = 121661^2 + 185926^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49369876397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49369876397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49369846397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307933 + ... + 1345149.

It is an arithmetic number, because the mean of its divisors is an integer number (6184570887).

Almost surely, 2^49369876397 is an apocalyptic number.

It is an amenable number.

49369876397 is a deficient number, since it is larger than the sum of its proper divisors (106690699).

49369876397 is a wasteful number, since it uses less digits than its factorization.

49369876397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40047.

The product of its digits is 370355328, while the sum is 71.

The spelling of 49369876397 in words is "forty-nine billion, three hundred sixty-nine million, eight hundred seventy-six thousand, three hundred ninety-seven".