37625241613 has 2 divisors, whose sum is σ = 37625241614. Its totient is φ = 37625241612.

The previous prime is 37625241557. The next prime is 37625241659. The reversal of 37625241613 is 31614252673.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25490676964 + 12134564649 = 159658^2 + 110157^2 .

It is a cyclic number.

It is not a de Polignac number, because 37625241613 - 2¹³ = 37625233421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37625241113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18812620806 + 18812620807.

It is an arithmetic number, because the mean of its divisors is an integer number (18812620807).

Almost surely, 2^37625241613 is an apocalyptic number.

It is an amenable number.

37625241613 is a deficient number, since it is larger than the sum of its proper divisors (1).

37625241613 is an equidigital number, since it uses as much as digits as its factorization.

37625241613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The spelling of 37625241613 in words is "thirty-seven billion, six hundred twenty-five million, two hundred forty-one thousand, six hundred thirteen".