74814146748149 has 2 divisors, whose sum is σ = 74814146748150. Its totient is φ = 74814146748148.

The previous prime is 74814146748073. The next prime is 74814146748191. The reversal of 74814146748149 is 94184764141847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50268879903025 + 24545266845124 = 7090055^2 + 4954318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74814146748149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74814146744149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37407073374074 + 37407073374075.

It is an arithmetic number, because the mean of its divisors is an integer number (37407073374075).

Almost surely, 2^{74814146748149} is an apocalyptic number.

It is an amenable number.

74814146748149 is a deficient number, since it is larger than the sum of its proper divisors (1).

74814146748149 is an equidigital number, since it uses as much as digits as its factorization.

74814146748149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 173408256, while the sum is 68.

The spelling of 74814146748149 in words is "seventy-four trillion, eight hundred fourteen billion, one hundred forty-six million, seven hundred forty-eight thousand, one hundred forty-nine".