2500016126417 has 2 divisors, whose sum is σ = 2500016126418. Its totient is φ = 2500016126416.

The previous prime is 2500016126411. The next prime is 2500016126437. The reversal of 2500016126417 is 7146216100052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2357072396176 + 142943730241 = 1535276^2 + 378079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500016126417 - 2²² = 2500011932113 is a prime.

It is a super-2 number, since 2×2500016126417² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2500016126411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250008063208 + 1250008063209.

It is an arithmetic number, because the mean of its divisors is an integer number (1250008063209).

Almost surely, 2^{2500016126417} is an apocalyptic number.

It is an amenable number.

2500016126417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500016126417 is an equidigital number, since it uses as much as digits as its factorization.

2500016126417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 2500016126417 in words is "two trillion, five hundred billion, sixteen million, one hundred twenty-six thousand, four hundred seventeen".