74010669295421 has 2 divisors, whose sum is σ = 74010669295422. Its totient is φ = 74010669295420.

The previous prime is 74010669295397. The next prime is 74010669295439. The reversal of 74010669295421 is 12459296601047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40970176632025 + 33040492663396 = 6400795^2 + 5748086^2 .

It is a cyclic number.

It is not a de Polignac number, because 74010669295421 - 2⁴⁶ = 3641925117757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74010669295481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37005334647710 + 37005334647711.

It is an arithmetic number, because the mean of its divisors is an integer number (37005334647711).

Almost surely, 2^{74010669295421} is an apocalyptic number.

It is an amenable number.

74010669295421 is a deficient number, since it is larger than the sum of its proper divisors (1).

74010669295421 is an equidigital number, since it uses as much as digits as its factorization.

74010669295421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 74010669295421 in words is "seventy-four trillion, ten billion, six hundred sixty-nine million, two hundred ninety-five thousand, four hundred twenty-one".