7476342557 has 2 divisors, whose sum is σ = 7476342558. Its totient is φ = 7476342556.

The previous prime is 7476342541. The next prime is 7476342607. The reversal of 7476342557 is 7552436747.

7476342557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (7476342607) can be obtained adding 7476342557 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5994785476 + 1481557081 = 77426^2 + 38491^2 .

It is a cyclic number.

It is not a de Polignac number, because 7476342557 - 2⁴ = 7476342541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7476342857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3738171278 + 3738171279.

It is an arithmetic number, because the mean of its divisors is an integer number (3738171279).

Almost surely, 2^7476342557 is an apocalyptic number.

It is an amenable number.

7476342557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7476342557 is an equidigital number, since it uses as much as digits as its factorization.

7476342557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 50.

The square root of 7476342557 is about 86465.8461879602. The cubic root of 7476342557 is about 1955.3735248251.

The spelling of 7476342557 in words is "seven billion, four hundred seventy-six million, three hundred forty-two thousand, five hundred fifty-seven".