2690717772973 has 2 divisors, whose sum is σ = 2690717772974. Its totient is φ = 2690717772972.

The previous prime is 2690717772959. The next prime is 2690717772989. The reversal of 2690717772973 is 3792777170962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045695157284 + 645022615689 = 1430278^2 + 803133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690717772973 - 2²⁹ = 2690180902061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2690717772899 and 2690717772908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690717772913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345358886486 + 1345358886487.

It is an arithmetic number, because the mean of its divisors is an integer number (1345358886487).

Almost surely, 2^{2690717772973} is an apocalyptic number.

It is an amenable number.

2690717772973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690717772973 is an equidigital number, since it uses as much as digits as its factorization.

2690717772973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98018424, while the sum is 67.

The spelling of 2690717772973 in words is "two trillion, six hundred ninety billion, seven hundred seventeen million, seven hundred seventy-two thousand, nine hundred seventy-three".