37999999999999 has 32 divisors (see below), whose sum is σ = 41705419440960. Its totient is φ = 34475886102528.

The previous prime is 37999999999967. The next prime is 38000000000069. The reversal of 37999999999999 is 99999999999973.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 37999999999999 - 2⁵ = 37999999999967 is a prime.

It is a super-9 number, since 9×37999999999999⁹ (a number of 124 digits) contains 999999999 as substring.

It is a Duffinian number.

37999999999999 is a modest number, since divided by 9999999 gives 3799999 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37999999999909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403910064 + ... + 1403937130.

It is an arithmetic number, because the mean of its divisors is an integer number (1303294357530).

Almost surely, 2^{37999999999999} is an apocalyptic number.

37999999999999 is a deficient number, since it is larger than the sum of its proper divisors (3705419440961).

37999999999999 is a wasteful number, since it uses less digits than its factorization.

37999999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47707.

The product of its digits is 5931020266101, while the sum is 118.

It can be divided in two parts, 37 and 999999999999, that multiplied together give a palindrome (36999999999963).

The spelling of 37999999999999 in words is "thirty-seven trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".