37525520663 has 2 divisors, whose sum is σ = 37525520664. Its totient is φ = 37525520662.

The previous prime is 37525520653. The next prime is 37525520719. The reversal of 37525520663 is 36602552573.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37525520663 - 2⁸ = 37525520407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37525520633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18762760331 + 18762760332.

It is an arithmetic number, because the mean of its divisors is an integer number (18762760332).

Almost surely, 2^37525520663 is an apocalyptic number.

37525520663 is a deficient number, since it is larger than the sum of its proper divisors (1).

37525520663 is an equidigital number, since it uses as much as digits as its factorization.

37525520663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 44.

The spelling of 37525520663 in words is "thirty-seven billion, five hundred twenty-five million, five hundred twenty thousand, six hundred sixty-three".