5015978949 has 8 divisors (see below), whose sum is σ = 6688527552. Its totient is φ = 3343708160.

The previous prime is 5015978941. The next prime is 5015978953. The reversal of 5015978949 is 9498795105.

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 5015978949 - 2³ = 5015978941 is a prime.

It is a super-2 number, since 2×5015978949² = 50320089633622289202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5015978941) 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, 22857 + ... + 102734.

It is an arithmetic number, because the mean of its divisors is an integer number (836065944).

Almost surely, 2^5015978949 is an apocalyptic number.

It is an amenable number.

5015978949 is a deficient number, since it is larger than the sum of its proper divisors (1672548603).

5015978949 is a wasteful number, since it uses less digits than its factorization.

5015978949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138907.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The square root of 5015978949 is about 70823.5762228935. The cubic root of 5015978949 is about 1711.7955842209.

The spelling of 5015978949 in words is "five billion, fifteen million, nine hundred seventy-eight thousand, nine hundred forty-nine".