74040449064943 has 2 divisors, whose sum is σ = 74040449064944. Its totient is φ = 74040449064942.

The previous prime is 74040449064931. The next prime is 74040449064949. The reversal of 74040449064943 is 34946094404047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74040449064943 - 2³³ = 74031859130351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74040449064949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37020224532471 + 37020224532472.

It is an arithmetic number, because the mean of its divisors is an integer number (37020224532472).

Almost surely, 2^{74040449064943} is an apocalyptic number.

74040449064943 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040449064943 is an equidigital number, since it uses as much as digits as its factorization.

74040449064943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 58.

The spelling of 74040449064943 in words is "seventy-four trillion, forty billion, four hundred forty-nine million, sixty-four thousand, nine hundred forty-three".