2331426557 has 2 divisors, whose sum is σ = 2331426558. Its totient is φ = 2331426556.

The previous prime is 2331426553. The next prime is 2331426569. The reversal of 2331426557 is 7556241332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2329606756 + 1819801 = 48266^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331426557 - 2² = 2331426553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2331426557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331426553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165713278 + 1165713279.

It is an arithmetic number, because the mean of its divisors is an integer number (1165713279).

Almost surely, 2^2331426557 is an apocalyptic number.

It is an amenable number.

2331426557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331426557 is an equidigital number, since it uses as much as digits as its factorization.

2331426557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The square root of 2331426557 is about 48284.8481099402. The cubic root of 2331426557 is about 1325.9910102620.

Adding to 2331426557 its reverse (7556241332), we get a palindrome (9887667889).

The spelling of 2331426557 in words is "two billion, three hundred thirty-one million, four hundred twenty-six thousand, five hundred fifty-seven".