9999993999974 has 16 divisors (see below), whose sum is σ = 16363698881040. Its totient is φ = 4545431724960.

The previous prime is 9999993999973. The next prime is 9999994000001. The reversal of 9999993999974 is 4799993999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999993999971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841132 + ... + 6590640.

It is an arithmetic number, because the mean of its divisors is an integer number (1022731180065).

Almost surely, 2^{9999993999974} is an apocalyptic number.

9999993999974 is a deficient number, since it is larger than the sum of its proper divisors (6363704881066).

9999993999974 is a wasteful number, since it uses less digits than its factorization.

9999993999974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009335.

The product of its digits is 292889889684, while the sum is 104.

The spelling of 9999993999974 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-three million, nine hundred ninety-nine thousand, nine hundred seventy-four".