37523814449 has 12 divisors (see below), whose sum is σ = 41250547968. Its totient is φ = 34108122840.

The previous prime is 37523814443. The next prime is 37523814479. The reversal of 37523814449 is 94441832573.

It is a de Polignac number, because none of the positive numbers 2^k-37523814449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37523814397 and 37523814406.

It is not an unprimeable number, because it can be changed into a prime (37523814443) 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 11 ways as a sum of consecutive naturals, for example, 1236512 + ... + 1266494.

It is an arithmetic number, because the mean of its divisors is an integer number (3437545664).

Almost surely, 2^37523814449 is an apocalyptic number.

It is an amenable number.

37523814449 is a deficient number, since it is larger than the sum of its proper divisors (3726733519).

37523814449 is a wasteful number, since it uses less digits than its factorization.

37523814449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40348 (or 40337 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 37523814449 in words is "thirty-seven billion, five hundred twenty-three million, eight hundred fourteen thousand, four hundred forty-nine".