74993334051431 has 4 divisors (see below), whose sum is σ = 75003051997992. Its totient is φ = 74983616104872.

The previous prime is 74993334051373. The next prime is 74993334051469. The reversal of 74993334051431 is 13415043339947.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74993334051431 is a prime.

It is a super-2 number, since 2×74993334051431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74993334051931) 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, 4858961705 + ... + 4858977138.

It is an arithmetic number, because the mean of its divisors is an integer number (18750762999498).

Almost surely, 2^{74993334051431} is an apocalyptic number.

74993334051431 is a deficient number, since it is larger than the sum of its proper divisors (9717946561).

74993334051431 is an equidigital number, since it uses as much as digits as its factorization.

74993334051431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717946560.

The product of its (nonzero) digits is 14696640, while the sum is 56.

The spelling of 74993334051431 in words is "seventy-four trillion, nine hundred ninety-three billion, three hundred thirty-four million, fifty-one thousand, four hundred thirty-one".