5656316437 has 2 divisors, whose sum is σ = 5656316438. Its totient is φ = 5656316436.

The previous prime is 5656316333. The next prime is 5656316443. The reversal of 5656316437 is 7346136565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3754135441 + 1902180996 = 61271^2 + 43614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5656316437 - 2²³ = 5647927829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656316447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828158218 + 2828158219.

It is an arithmetic number, because the mean of its divisors is an integer number (2828158219).

Almost surely, 2^5656316437 is an apocalyptic number.

It is an amenable number.

5656316437 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656316437 is an equidigital number, since it uses as much as digits as its factorization.

5656316437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 46.

The square root of 5656316437 is about 75208.4864692808. The cubic root of 5656316437 is about 1781.7409677178.

The spelling of 5656316437 in words is "five billion, six hundred fifty-six million, three hundred sixteen thousand, four hundred thirty-seven".