37642752799 has 2 divisors, whose sum is σ = 37642752800. Its totient is φ = 37642752798.

The previous prime is 37642752779. The next prime is 37642752817. The reversal of 37642752799 is 99725724673.

It is a strong prime.

It is an emirp because it is prime and its reverse (99725724673) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37642752799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37642752779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18821376399 + 18821376400.

It is an arithmetic number, because the mean of its divisors is an integer number (18821376400).

Almost surely, 2^37642752799 is an apocalyptic number.

37642752799 is a deficient number, since it is larger than the sum of its proper divisors (1).

37642752799 is an equidigital number, since it uses as much as digits as its factorization.

37642752799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40007520, while the sum is 61.

The spelling of 37642752799 in words is "thirty-seven billion, six hundred forty-two million, seven hundred fifty-two thousand, seven hundred ninety-nine".