37806990919273 has 4 divisors (see below), whose sum is σ = 37807127862340. Its totient is φ = 37806853976208.

The previous prime is 37806990919267. The next prime is 37806990919277. The reversal of 37806990919273 is 37291909960873.

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 1818605982249 + 35988384937024 = 1348557^2 + 5999032^2 .

It is a cyclic number.

It is not a de Polignac number, because 37806990919273 - 2⁹ = 37806990918761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37806990919196 and 37806990919205.

It is not an unprimeable number, because it can be changed into a prime (37806990919277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68056578 + ... + 68609851.

It is an arithmetic number, because the mean of its divisors is an integer number (9451781965585).

Almost surely, 2^{37806990919273} is an apocalyptic number.

It is an amenable number.

37806990919273 is a deficient number, since it is larger than the sum of its proper divisors (136943067).

37806990919273 is a wasteful number, since it uses less digits than its factorization.

37806990919273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136943066.

The product of its (nonzero) digits is 277766496, while the sum is 73.

The spelling of 37806990919273 in words is "thirty-seven trillion, eight hundred six billion, nine hundred ninety million, nine hundred nineteen thousand, two hundred seventy-three".