7790694913 has 2 divisors, whose sum is σ = 7790694914. Its totient is φ = 7790694912.

The previous prime is 7790694883. The next prime is 7790694917. The reversal of 7790694913 is 3194960977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4974057729 + 2816637184 = 70527^2 + 53072^2 .

It is a cyclic number.

It is not a de Polignac number, because 7790694913 - 2⁵ = 7790694881 is a prime.

It is not a weakly prime, because it can be changed into another prime (7790694917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3895347456 + 3895347457.

It is an arithmetic number, because the mean of its divisors is an integer number (3895347457).

Almost surely, 2^7790694913 is an apocalyptic number.

It is an amenable number.

7790694913 is a deficient number, since it is larger than the sum of its proper divisors (1).

7790694913 is an equidigital number, since it uses as much as digits as its factorization.

7790694913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The square root of 7790694913 is about 88264.9132611594. The cubic root of 7790694913 is about 1982.4035458576.

The spelling of 7790694913 in words is "seven billion, seven hundred ninety million, six hundred ninety-four thousand, nine hundred thirteen".