74022477149 has 2 divisors, whose sum is σ = 74022477150. Its totient is φ = 74022477148.

The previous prime is 74022477101. The next prime is 74022477157. The reversal of 74022477149 is 94177422047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72194316100 + 1828161049 = 268690^2 + 42757^2 .

It is a cyclic number.

It is not a de Polignac number, because 74022477149 - 2²⁰ = 74021428573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74022477049) 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 as a sum of consecutive naturals, namely, 37011238574 + 37011238575.

It is an arithmetic number, because the mean of its divisors is an integer number (37011238575).

Almost surely, 2^74022477149 is an apocalyptic number.

It is an amenable number.

74022477149 is a deficient number, since it is larger than the sum of its proper divisors (1).

74022477149 is an equidigital number, since it uses as much as digits as its factorization.

74022477149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 74022477149 in words is "seventy-four billion, twenty-two million, four hundred seventy-seven thousand, one hundred forty-nine".