2500126376369 has 2 divisors, whose sum is σ = 2500126376370. Its totient is φ = 2500126376368.

The previous prime is 2500126376351. The next prime is 2500126376431. The reversal of 2500126376369 is 9636736210052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2496652806400 + 3473569969 = 1580080^2 + 58937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500126376369 - 2⁸ = 2500126376113 is a prime.

It is a super-2 number, since 2×2500126376369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2500126376339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250063188184 + 1250063188185.

It is an arithmetic number, because the mean of its divisors is an integer number (1250063188185).

Almost surely, 2^{2500126376369} is an apocalyptic number.

It is an amenable number.

2500126376369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500126376369 is an equidigital number, since it uses as much as digits as its factorization.

2500126376369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 2500126376369 in words is "two trillion, five hundred billion, one hundred twenty-six million, three hundred seventy-six thousand, three hundred sixty-nine".