49018979 has 8 divisors (see below), whose sum is σ = 50400768. Its totient is φ = 47651400.

The previous prime is 49018951. The next prime is 49018999. The reversal of 49018979 is 97981094.

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-49018979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49018999) 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, 3644 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (6300096).

Almost surely, 2^49018979 is an apocalyptic number.

49018979 is a deficient number, since it is larger than the sum of its proper divisors (1381789).

49018979 is a wasteful number, since it uses less digits than its factorization.

49018979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7105.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 49018979 is about 7001.3555116134. The cubic root of 49018979 is about 365.9778097767.

The spelling of 49018979 in words is "forty-nine million, eighteen thousand, nine hundred seventy-nine".