374061999681 has 12 divisors (see below), whose sum is σ = 540432360208. Its totient is φ = 249319012824.

The previous prime is 374061999671. The next prime is 374061999691. The reversal of 374061999681 is 186999160473.

374061999681 is a `hidden beast` number, since 3 + 7 + 4 + 0 + 619 + 9 + 9 + 6 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (374061999671) and next prime (374061999691).

It is not a de Polignac number, because 374061999681 - 2⁶ = 374061999617 is a prime.

It is a super-2 number, since 2×374061999681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374061999671) 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, 4595215 + ... + 4675908.

Almost surely, 2^374061999681 is an apocalyptic number.

It is an amenable number.

374061999681 is a deficient number, since it is larger than the sum of its proper divisors (166370360527).

374061999681 is a wasteful number, since it uses less digits than its factorization.

374061999681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275612 (or 9275609 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 374061999681 in words is "three hundred seventy-four billion, sixty-one million, nine hundred ninety-nine thousand, six hundred eighty-one".