37961663494 has 16 divisors (see below), whose sum is σ = 57671853120. Its totient is φ = 18737784000.

The previous prime is 37961663477. The next prime is 37961663539. The reversal of 37961663494 is 49436616973.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408812 + ... + 1435504.

It is an arithmetic number, because the mean of its divisors is an integer number (3604490820).

Almost surely, 2^37961663494 is an apocalyptic number.

37961663494 is a deficient number, since it is larger than the sum of its proper divisors (19710189626).

37961663494 is a wasteful number, since it uses less digits than its factorization.

37961663494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35775.

The product of its digits is 17635968, while the sum is 58.

The spelling of 37961663494 in words is "thirty-seven billion, nine hundred sixty-one million, six hundred sixty-three thousand, four hundred ninety-four".