37274716397 has 2 divisors, whose sum is σ = 37274716398. Its totient is φ = 37274716396.

The previous prime is 37274716357. The next prime is 37274716441. The reversal of 37274716397 is 79361747273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24796485961 + 12478230436 = 157469^2 + 111706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37274716397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37274716357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18637358198 + 18637358199.

It is an arithmetic number, because the mean of its divisors is an integer number (18637358199).

Almost surely, 2^37274716397 is an apocalyptic number.

It is an amenable number.

37274716397 is a deficient number, since it is larger than the sum of its proper divisors (1).

37274716397 is an equidigital number, since it uses as much as digits as its factorization.

37274716397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9335088, while the sum is 56.

The spelling of 37274716397 in words is "thirty-seven billion, two hundred seventy-four million, seven hundred sixteen thousand, three hundred ninety-seven".