74141439997 has 2 divisors, whose sum is σ = 74141439998. Its totient is φ = 74141439996.

The previous prime is 74141439961. The next prime is 74141440057. The reversal of 74141439997 is 79993414147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63486865156 + 10654574841 = 251966^2 + 103221^2 .

It is a cyclic number.

It is not a de Polignac number, because 74141439997 - 2³⁵ = 39781701629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74141439917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37070719998 + 37070719999.

It is an arithmetic number, because the mean of its divisors is an integer number (37070719999).

Almost surely, 2^74141439997 is an apocalyptic number.

It is an amenable number.

74141439997 is a deficient number, since it is larger than the sum of its proper divisors (1).

74141439997 is an equidigital number, since it uses as much as digits as its factorization.

74141439997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 58.

The spelling of 74141439997 in words is "seventy-four billion, one hundred forty-one million, four hundred thirty-nine thousand, nine hundred ninety-seven".