37420386793 has 2 divisors, whose sum is σ = 37420386794. Its totient is φ = 37420386792.

The previous prime is 37420386761. The next prime is 37420386907. The reversal of 37420386793 is 39768302473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37252088064 + 168298729 = 193008^2 + 12973^2 .

It is a cyclic number.

It is not a de Polignac number, because 37420386793 - 2⁵ = 37420386761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37420386793.

It is not a weakly prime, because it can be changed into another prime (37420387793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18710193396 + 18710193397.

It is an arithmetic number, because the mean of its divisors is an integer number (18710193397).

Almost surely, 2^37420386793 is an apocalyptic number.

It is an amenable number.

37420386793 is a deficient number, since it is larger than the sum of its proper divisors (1).

37420386793 is an equidigital number, since it uses as much as digits as its factorization.

37420386793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 37420386793 in words is "thirty-seven billion, four hundred twenty million, three hundred eighty-six thousand, seven hundred ninety-three".