2720907979 has 2 divisors, whose sum is σ = 2720907980. Its totient is φ = 2720907978.

The previous prime is 2720907907. The next prime is 2720908013. The reversal of 2720907979 is 9797090272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2720907979 - 2¹³ = 2720899787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2720977979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360453989 + 1360453990.

It is an arithmetic number, because the mean of its divisors is an integer number (1360453990).

Almost surely, 2^2720907979 is an apocalyptic number.

2720907979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720907979 is an equidigital number, since it uses as much as digits as its factorization.

2720907979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 2720907979 is about 52162.3233665833. The cubic root of 2720907979 is about 1396.0617173107.

The spelling of 2720907979 in words is "two billion, seven hundred twenty million, nine hundred seven thousand, nine hundred seventy-nine".