2938399358977 has 2 divisors, whose sum is σ = 2938399358978. Its totient is φ = 2938399358976.

The previous prime is 2938399358933. The next prime is 2938399359013. The reversal of 2938399358977 is 7798539938392.

It is a Cunningham number, because it is equal to 1714176²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2938399358976 + 1 = 1714176^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938399358977 - 2¹⁹ = 2938398834689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2938399358977.

It is not a weakly prime, because it can be changed into another prime (2938399358177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469199679488 + 1469199679489.

It is an arithmetic number, because the mean of its divisors is an integer number (1469199679489).

It is a Proth number, since it is equal to 700569 ⋅ 2²² + 1 and 700569 < 2²².

Almost surely, 2^{2938399358977} is an apocalyptic number.

It is an amenable number.

2938399358977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2938399358977 is an equidigital number, since it uses as much as digits as its factorization.

2938399358977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5555329920, while the sum is 82.

The spelling of 2938399358977 in words is "two trillion, nine hundred thirty-eight billion, three hundred ninety-nine million, three hundred fifty-eight thousand, nine hundred seventy-seven".