37428864891 has 32 divisors (see below), whose sum is σ = 56040415488. Its totient is φ = 22020935040.

The previous prime is 37428864839. The next prime is 37428864899. The reversal of 37428864891 is 19846882473.

It is a happy number.

It is not a de Polignac number, because 37428864891 - 2¹¹ = 37428862843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37428864899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506305 + ... + 575501.

It is an arithmetic number, because the mean of its divisors is an integer number (1751262984).

Almost surely, 2^37428864891 is an apocalyptic number.

37428864891 is a deficient number, since it is larger than the sum of its proper divisors (18611550597).

37428864891 is a wasteful number, since it uses less digits than its factorization.

37428864891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69691.

The product of its digits is 18579456, while the sum is 60.

The spelling of 37428864891 in words is "thirty-seven billion, four hundred twenty-eight million, eight hundred sixty-four thousand, eight hundred ninety-one".