2979653987 has 2 divisors, whose sum is σ = 2979653988. Its totient is φ = 2979653986.

The previous prime is 2979653977. The next prime is 2979654059. The reversal of 2979653987 is 7893569792.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2979653987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2979653917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489826993 + 1489826994.

It is an arithmetic number, because the mean of its divisors is an integer number (1489826994).

Almost surely, 2^2979653987 is an apocalyptic number.

2979653987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979653987 is an equidigital number, since it uses as much as digits as its factorization.

2979653987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 65.

The square root of 2979653987 is about 54586.2069299562. The cubic root of 2979653987 is about 1438.9817240079.

The spelling of 2979653987 in words is "two billion, nine hundred seventy-nine million, six hundred fifty-three thousand, nine hundred eighty-seven".