37941245221651 has 4 divisors (see below), whose sum is σ = 37941260438304. Its totient is φ = 37941230005000.

The previous prime is 37941245221643. The next prime is 37941245221661. The reversal of 37941245221651 is 15612254214973.

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

It is a cyclic number.

It is not a de Polignac number, because 37941245221651 - 2³ = 37941245221643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37941245221601) 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, 2894875 + ... + 9179476.

It is an arithmetic number, because the mean of its divisors is an integer number (9485315109576).

Almost surely, 2^{37941245221651} is an apocalyptic number.

37941245221651 is a deficient number, since it is larger than the sum of its proper divisors (15216653).

37941245221651 is a wasteful number, since it uses less digits than its factorization.

37941245221651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216652.

The product of its digits is 3628800, while the sum is 52.

The spelling of 37941245221651 in words is "thirty-seven trillion, nine hundred forty-one billion, two hundred forty-five million, two hundred twenty-one thousand, six hundred fifty-one".