74294655649253 has 24 divisors (see below), whose sum is σ = 82917011943360. Its totient is φ = 66496533517440.

The previous prime is 74294655649243. The next prime is 74294655649261. The reversal of 74294655649253 is 35294655649247.

It is not a de Polignac number, because 74294655649253 - 2⁴ = 74294655649237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74294655649243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31760993 + ... + 34019846.

It is an arithmetic number, because the mean of its divisors is an integer number (3454875497640).

Almost surely, 2^{74294655649253} is an apocalyptic number.

It is an amenable number.

74294655649253 is a deficient number, since it is larger than the sum of its proper divisors (8622356294107).

74294655649253 is a wasteful number, since it uses less digits than its factorization.

74294655649253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65781069 (or 65781056 counting only the distinct ones).

The product of its digits is 1959552000, while the sum is 71.

The spelling of 74294655649253 in words is "seventy-four trillion, two hundred ninety-four billion, six hundred fifty-five million, six hundred forty-nine thousand, two hundred fifty-three".