74141439961 has 2 divisors, whose sum is σ = 74141439962. Its totient is φ = 74141439960.

The previous prime is 74141439959. The next prime is 74141439997. The reversal of 74141439961 is 16993414147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69053328400 + 5088111561 = 262780^2 + 71331^2 .

It is a cyclic number.

It is not a de Polignac number, because 74141439961 - 2¹ = 74141439959 is a prime.

Together with 74141439959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74141439061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37070719980 + 37070719981.

It is an arithmetic number, because the mean of its divisors is an integer number (37070719981).

Almost surely, 2^74141439961 is an apocalyptic number.

It is an amenable number.

74141439961 is a deficient number, since it is larger than the sum of its proper divisors (1).

74141439961 is an equidigital number, since it uses as much as digits as its factorization.

74141439961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 74141439961 in words is "seventy-four billion, one hundred forty-one million, four hundred thirty-nine thousand, nine hundred sixty-one".