37949611393 has 4 divisors (see below), whose sum is σ = 38222630320. Its totient is φ = 37676592468.

The previous prime is 37949611367. The next prime is 37949611463. The reversal of 37949611393 is 39311694973.

37949611393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 37949611393 - 2⁵ = 37949611361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37949611313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136509255 + ... + 136509532.

It is an arithmetic number, because the mean of its divisors is an integer number (9555657580).

Almost surely, 2^37949611393 is an apocalyptic number.

It is an amenable number.

37949611393 is a deficient number, since it is larger than the sum of its proper divisors (273018927).

37949611393 is a wasteful number, since it uses less digits than its factorization.

37949611393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273018926.

The product of its digits is 3306744, while the sum is 55.

The spelling of 37949611393 in words is "thirty-seven billion, nine hundred forty-nine million, six hundred eleven thousand, three hundred ninety-three".