37625241557 has 2 divisors, whose sum is σ = 37625241558. Its totient is φ = 37625241556.

The previous prime is 37625241527. The next prime is 37625241613. The reversal of 37625241557 is 75514252673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29065476196 + 8559765361 = 170486^2 + 92519^2 .

It is a cyclic number.

It is not a de Polignac number, because 37625241557 - 2⁸ = 37625241301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37625241527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18812620778 + 18812620779.

It is an arithmetic number, because the mean of its divisors is an integer number (18812620779).

Almost surely, 2^37625241557 is an apocalyptic number.

It is an amenable number.

37625241557 is a deficient number, since it is larger than the sum of its proper divisors (1).

37625241557 is an equidigital number, since it uses as much as digits as its factorization.

37625241557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 47.

The spelling of 37625241557 in words is "thirty-seven billion, six hundred twenty-five million, two hundred forty-one thousand, five hundred fifty-seven".