37919454397 has 16 divisors (see below), whose sum is σ = 45310363200. Its totient is φ = 31325674240.

The previous prime is 37919454389. The next prime is 37919454407. The reversal of 37919454397 is 79345491973.

It is not a de Polignac number, because 37919454397 - 2³ = 37919454389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37919454317) 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 15 ways as a sum of consecutive naturals, for example, 3490747 + ... + 3501592.

It is an arithmetic number, because the mean of its divisors is an integer number (2831897700).

Almost surely, 2^37919454397 is an apocalyptic number.

It is an amenable number.

37919454397 is a deficient number, since it is larger than the sum of its proper divisors (7390908803).

37919454397 is a wasteful number, since it uses less digits than its factorization.

37919454397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992396.

The product of its digits is 25719120, while the sum is 61.

The spelling of 37919454397 in words is "thirty-seven billion, nine hundred nineteen million, four hundred fifty-four thousand, three hundred ninety-seven".