37421272443 has 4 divisors (see below), whose sum is σ = 49895029928. Its totient is φ = 24947514960.

The previous prime is 37421272433. The next prime is 37421272477. The reversal of 37421272443 is 34427212473.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 37421272443 - 2⁹ = 37421271931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37421272433) 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, 6236878738 + ... + 6236878743.

It is an arithmetic number, because the mean of its divisors is an integer number (12473757482).

Almost surely, 2^37421272443 is an apocalyptic number.

37421272443 is a deficient number, since it is larger than the sum of its proper divisors (12473757485).

37421272443 is a wasteful number, since it uses less digits than its factorization.

37421272443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473757484.

The product of its digits is 225792, while the sum is 39.

The spelling of 37421272443 in words is "thirty-seven billion, four hundred twenty-one million, two hundred seventy-two thousand, four hundred forty-three".