2979731500 has 48 divisors (see below), whose sum is σ = 6513133536. Its totient is φ = 1190904000.

The previous prime is 2979731467. The next prime is 2979731533. The reversal of 2979731500 is 51379792.

It is an interprime number because it is at equal distance from previous prime (2979731467) and next prime (2979731533).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040070 + ... + 1042930.

It is an arithmetic number, because the mean of its divisors is an integer number (135690282).

Almost surely, 2^2979731500 is an apocalyptic number.

2979731500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2979731500 is an abundant number, since it is smaller than the sum of its proper divisors (3533402036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2979731500 is a wasteful number, since it uses less digits than its factorization.

2979731500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 2979731500 is about 54586.9169307079. The cubic root of 2979731500 is about 1438.9942018352.

The spelling of 2979731500 in words is "two billion, nine hundred seventy-nine million, seven hundred thirty-one thousand, five hundred".