49879378951 has 8 divisors (see below), whose sum is σ = 52418808464. Its totient is φ = 47402651520.

The previous prime is 49879378943. The next prime is 49879378961. The reversal of 49879378951 is 15987397894.

49879378951 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 49879378951 - 2³ = 49879378943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49879378961) 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, 15673890 + ... + 15677071.

It is an arithmetic number, because the mean of its divisors is an integer number (6552351058).

Almost surely, 2^49879378951 is an apocalyptic number.

49879378951 is a deficient number, since it is larger than the sum of its proper divisors (2539429513).

49879378951 is a wasteful number, since it uses less digits than its factorization.

49879378951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31351041.

The product of its digits is 137168640, while the sum is 70.

The spelling of 49879378951 in words is "forty-nine billion, eight hundred seventy-nine million, three hundred seventy-eight thousand, nine hundred fifty-one".