37612421673 has 4 divisors (see below), whose sum is σ = 50149895568. Its totient is φ = 25074947780.

The previous prime is 37612421629. The next prime is 37612421689.

37612421673 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 37612421673 - 2⁸ = 37612421417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (37612421173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6268736943 + ... + 6268736948.

It is an arithmetic number, because the mean of its divisors is an integer number (12537473892).

Almost surely, 2^37612421673 is an apocalyptic number.

It is an amenable number.

37612421673 is a deficient number, since it is larger than the sum of its proper divisors (12537473895).

37612421673 is a wasteful number, since it uses less digits than its factorization.

37612421673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537473894.

The product of its digits is 254016, while the sum is 42.

The spelling of 37612421673 in words is "thirty-seven billion, six hundred twelve million, four hundred twenty-one thousand, six hundred seventy-three".