74001950549 has 2 divisors, whose sum is σ = 74001950550. Its totient is φ = 74001950548.

The previous prime is 74001950537. The next prime is 74001950569. The reversal of 74001950549 is 94505910047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70487595025 + 3514355524 = 265495^2 + 59282^2 .

It is a cyclic number.

It is not a de Polignac number, because 74001950549 - 2⁸ = 74001950293 is a prime.

It is a super-3 number, since 3×74001950549³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74001950569) 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, 37000975274 + 37000975275.

It is an arithmetic number, because the mean of its divisors is an integer number (37000975275).

Almost surely, 2^74001950549 is an apocalyptic number.

It is an amenable number.

74001950549 is a deficient number, since it is larger than the sum of its proper divisors (1).

74001950549 is an equidigital number, since it uses as much as digits as its factorization.

74001950549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 74001950549 in words is "seventy-four billion, one million, nine hundred fifty thousand, five hundred forty-nine".