2251102717693 has 2 divisors, whose sum is σ = 2251102717694. Its totient is φ = 2251102717692.

The previous prime is 2251102717687. The next prime is 2251102717727. The reversal of 2251102717693 is 3967172011522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2230189797924 + 20912919769 = 1493382^2 + 144613^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251102717693 - 2³⁷ = 2113663764221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251102717663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125551358846 + 1125551358847.

It is an arithmetic number, because the mean of its divisors is an integer number (1125551358847).

Almost surely, 2^{2251102717693} is an apocalyptic number.

It is an amenable number.

2251102717693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251102717693 is an equidigital number, since it uses as much as digits as its factorization.

2251102717693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 2251102717693 in words is "two trillion, two hundred fifty-one billion, one hundred two million, seven hundred seventeen thousand, six hundred ninety-three".