37479673813 has 4 divisors (see below), whose sum is σ = 37488650860. Its totient is φ = 37470696768.

The previous prime is 37479673811. The next prime is 37479673817. The reversal of 37479673813 is 31837697473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26993504209 + 10486169604 = 164297^2 + 102402^2 .

It is a cyclic number.

It is not a de Polignac number, because 37479673813 - 2¹ = 37479673811 is a prime.

It is a super-3 number, since 3×37479673813³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 4482258 + ... + 4490611.

It is an arithmetic number, because the mean of its divisors is an integer number (9372162715).

Almost surely, 2^37479673813 is an apocalyptic number.

It is an amenable number.

37479673813 is a deficient number, since it is larger than the sum of its proper divisors (8977047).

37479673813 is an equidigital number, since it uses as much as digits as its factorization.

37479673813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977046.

The product of its digits is 16003008, while the sum is 58.

The spelling of 37479673813 in words is "thirty-seven billion, four hundred seventy-nine million, six hundred seventy-three thousand, eight hundred thirteen".