2539793401 has 2 divisors, whose sum is σ = 2539793402. Its totient is φ = 2539793400.

The previous prime is 2539793383. The next prime is 2539793411. The reversal of 2539793401 is 1043979352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2376465001 + 163328400 = 48749^2 + 12780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539793401 - 2¹⁵ = 2539760633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539793411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269896700 + 1269896701.

It is an arithmetic number, because the mean of its divisors is an integer number (1269896701).

Almost surely, 2^2539793401 is an apocalyptic number.

It is an amenable number.

2539793401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539793401 is an equidigital number, since it uses as much as digits as its factorization.

2539793401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 2539793401 is about 50396.3629739290. The cubic root of 2539793401 is about 1364.3719959075.

The spelling of 2539793401 in words is "two billion, five hundred thirty-nine million, seven hundred ninety-three thousand, four hundred one".