49289919047 has 4 divisors (see below), whose sum is σ = 49649699616. Its totient is φ = 48930138480.

The previous prime is 49289919023. The next prime is 49289919067. The reversal of 49289919047 is 74091998294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49289919047 is a prime.

It is a super-2 number, since 2×49289919047² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49289919067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179890079 + ... + 179890352.

It is an arithmetic number, because the mean of its divisors is an integer number (12412424904).

Almost surely, 2^49289919047 is an apocalyptic number.

49289919047 is a deficient number, since it is larger than the sum of its proper divisors (359780569).

49289919047 is a wasteful number, since it uses less digits than its factorization.

49289919047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359780568.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 49289919047 in words is "forty-nine billion, two hundred eighty-nine million, nine hundred nineteen thousand, forty-seven".