74367169993 has 2 divisors, whose sum is σ = 74367169994. Its totient is φ = 74367169992.

The previous prime is 74367169969. The next prime is 74367169999. The reversal of 74367169993 is 39996176347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48385921024 + 25981248969 = 219968^2 + 161187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74367169993 is a prime.

It is not a weakly prime, because it can be changed into another prime (74367169999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37183584996 + 37183584997.

It is an arithmetic number, because the mean of its divisors is an integer number (37183584997).

Almost surely, 2^74367169993 is an apocalyptic number.

It is an amenable number.

74367169993 is a deficient number, since it is larger than the sum of its proper divisors (1).

74367169993 is an equidigital number, since it uses as much as digits as its factorization.

74367169993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46294416, while the sum is 64.

The spelling of 74367169993 in words is "seventy-four billion, three hundred sixty-seven million, one hundred sixty-nine thousand, nine hundred ninety-three".