74649355201 has 2 divisors, whose sum is σ = 74649355202. Its totient is φ = 74649355200.

The previous prime is 74649355177. The next prime is 74649355229. The reversal of 74649355201 is 10255394647.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73883394225 + 765960976 = 271815^2 + 27676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74649355201 is a prime.

It is not a weakly prime, because it can be changed into another prime (74649355801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37324677600 + 37324677601.

It is an arithmetic number, because the mean of its divisors is an integer number (37324677601).

Almost surely, 2^74649355201 is an apocalyptic number.

It is an amenable number.

74649355201 is a deficient number, since it is larger than the sum of its proper divisors (1).

74649355201 is an equidigital number, since it uses as much as digits as its factorization.

74649355201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 74649355201 in words is "seventy-four billion, six hundred forty-nine million, three hundred fifty-five thousand, two hundred one".