37989817442 has 8 divisors (see below), whose sum is σ = 58822943232. Its totient is φ = 18382169700.

The previous prime is 37989817427. The next prime is 37989817447. The reversal of 37989817442 is 24471898973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 612738991 = 37989817442 / (3 + 7 + 9 + 8 + 9 + 8 + 1 + 7 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (37989817447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306369434 + ... + 306369557.

It is an arithmetic number, because the mean of its divisors is an integer number (7352867904).

Almost surely, 2^37989817442 is an apocalyptic number.

37989817442 is a deficient number, since it is larger than the sum of its proper divisors (20833125790).

37989817442 is a wasteful number, since it uses less digits than its factorization.

37989817442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612739024.

The product of its digits is 24385536, while the sum is 62.

The spelling of 37989817442 in words is "thirty-seven billion, nine hundred eighty-nine million, eight hundred seventeen thousand, four hundred forty-two".