74136942899 has 2 divisors, whose sum is σ = 74136942900. Its totient is φ = 74136942898.

The previous prime is 74136942877. The next prime is 74136942907. The reversal of 74136942899 is 99824963147.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74136942899 - 2²⁰ = 74135894323 is a prime.

It is not a weakly prime, because it can be changed into another prime (74136942499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37068471449 + 37068471450.

It is an arithmetic number, because the mean of its divisors is an integer number (37068471450).

Almost surely, 2^74136942899 is an apocalyptic number.

74136942899 is a deficient number, since it is larger than the sum of its proper divisors (1).

74136942899 is an equidigital number, since it uses as much as digits as its factorization.

74136942899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 62.

Adding to 74136942899 its sum of digits (62), we get a square (74136942961 = 272281²).

The spelling of 74136942899 in words is "seventy-four billion, one hundred thirty-six million, nine hundred forty-two thousand, eight hundred ninety-nine".