37343681137 has 4 divisors (see below), whose sum is σ = 42678492736. Its totient is φ = 32008869540.

The previous prime is 37343681083. The next prime is 37343681149. The reversal of 37343681137 is 73118634373.

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 37343681137 - 2³¹ = 35196197489 is a prime.

It is a super-2 number, since 2×37343681137² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37343682137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667405789 + ... + 2667405802.

It is an arithmetic number, because the mean of its divisors is an integer number (10669623184).

Almost surely, 2^37343681137 is an apocalyptic number.

It is an amenable number.

37343681137 is a deficient number, since it is larger than the sum of its proper divisors (5334811599).

37343681137 is an equidigital number, since it uses as much as digits as its factorization.

37343681137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334811598.

The product of its digits is 762048, while the sum is 46.

The spelling of 37343681137 in words is "thirty-seven billion, three hundred forty-three million, six hundred eighty-one thousand, one hundred thirty-seven".