7023157913 has 2 divisors, whose sum is σ = 7023157914. Its totient is φ = 7023157912.

The previous prime is 7023157909. The next prime is 7023157927. The reversal of 7023157913 is 3197513207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5783906704 + 1239251209 = 76052^2 + 35203^2 .

It is a cyclic number.

It is not a de Polignac number, because 7023157913 - 2² = 7023157909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7023157903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3511578956 + 3511578957.

It is an arithmetic number, because the mean of its divisors is an integer number (3511578957).

Almost surely, 2^7023157913 is an apocalyptic number.

It is an amenable number.

7023157913 is a deficient number, since it is larger than the sum of its proper divisors (1).

7023157913 is an equidigital number, since it uses as much as digits as its factorization.

7023157913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 7023157913 is about 83804.2833809824. The cubic root of 7023157913 is about 1915.0383604811.

The spelling of 7023157913 in words is "seven billion, twenty-three million, one hundred fifty-seven thousand, nine hundred thirteen".