49377728519 has 8 divisors (see below), whose sum is σ = 56433246240. Its totient is φ = 42322599936.

The previous prime is 49377728509. The next prime is 49377728623. The reversal of 49377728519 is 91582777394.

49377728519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 49377728519 - 2⁸ = 49377728263 is a prime.

It is a super-2 number, since 2×49377728519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49377728509) 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, 264167 + ... + 410535.

It is an arithmetic number, because the mean of its divisors is an integer number (7054155780).

Almost surely, 2^49377728519 is an apocalyptic number.

49377728519 is a deficient number, since it is larger than the sum of its proper divisors (7055517721).

49377728519 is a wasteful number, since it uses less digits than its factorization.

49377728519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194569.

The product of its digits is 26671680, while the sum is 62.

The spelling of 49377728519 in words is "forty-nine billion, three hundred seventy-seven million, seven hundred twenty-eight thousand, five hundred nineteen".