2979857401 has 2 divisors, whose sum is σ = 2979857402. Its totient is φ = 2979857400.

The previous prime is 2979857399. The next prime is 2979857471. The reversal of 2979857401 is 1047589792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2885301225 + 94556176 = 53715^2 + 9724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979857401 - 2¹ = 2979857399 is a prime.

Together with 2979857399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2979857471) 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, 1489928700 + 1489928701.

It is an arithmetic number, because the mean of its divisors is an integer number (1489928701).

Almost surely, 2^2979857401 is an apocalyptic number.

It is an amenable number.

2979857401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979857401 is an equidigital number, since it uses as much as digits as its factorization.

2979857401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 2979857401 is about 54588.0701344167. The cubic root of 2979857401 is about 1439.0144685670.

The spelling of 2979857401 in words is "two billion, nine hundred seventy-nine million, eight hundred fifty-seven thousand, four hundred one".