37479673817 has 2 divisors, whose sum is σ = 37479673818. Its totient is φ = 37479673816.

The previous prime is 37479673811. The next prime is 37479673853. The reversal of 37479673817 is 71837697473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23758831321 + 13720842496 = 154139^2 + 117136^2 .

It is a cyclic number.

It is not a de Polignac number, because 37479673817 - 2¹⁶ = 37479608281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37479673817.

It is not a weakly prime, because it can be changed into another prime (37479673811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18739836908 + 18739836909.

It is an arithmetic number, because the mean of its divisors is an integer number (18739836909).

Almost surely, 2^37479673817 is an apocalyptic number.

It is an amenable number.

37479673817 is a deficient number, since it is larger than the sum of its proper divisors (1).

37479673817 is an equidigital number, since it uses as much as digits as its factorization.

37479673817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37340352, while the sum is 62.

The spelling of 37479673817 in words is "thirty-seven billion, four hundred seventy-nine million, six hundred seventy-three thousand, eight hundred seventeen".