2690971214797 has 2 divisors, whose sum is σ = 2690971214798. Its totient is φ = 2690971214796.

The previous prime is 2690971214717. The next prime is 2690971214819. The reversal of 2690971214797 is 7974121790962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1556620541316 + 1134350673481 = 1247646^2 + 1065059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690971214797 - 2³¹ = 2688823731149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690971214717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345485607398 + 1345485607399.

It is an arithmetic number, because the mean of its divisors is an integer number (1345485607399).

Almost surely, 2^{2690971214797} is an apocalyptic number.

It is an amenable number.

2690971214797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690971214797 is an equidigital number, since it uses as much as digits as its factorization.

2690971214797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 2690971214797 in words is "two trillion, six hundred ninety billion, nine hundred seventy-one million, two hundred fourteen thousand, seven hundred ninety-seven".