74054645429 has 2 divisors, whose sum is σ = 74054645430. Its totient is φ = 74054645428.

The previous prime is 74054645419. The next prime is 74054645459. The reversal of 74054645429 is 92454645047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62551010404 + 11503635025 = 250102^2 + 107255^2 .

It is an emirp because it is prime and its reverse (92454645047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74054645429 - 2⁸ = 74054645173 is a prime.

It is a super-2 number, since 2×74054645429² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74054645419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37027322714 + 37027322715.

It is an arithmetic number, because the mean of its divisors is an integer number (37027322715).

Almost surely, 2^74054645429 is an apocalyptic number.

It is an amenable number.

74054645429 is a deficient number, since it is larger than the sum of its proper divisors (1).

74054645429 is an equidigital number, since it uses as much as digits as its factorization.

74054645429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 74054645429 in words is "seventy-four billion, fifty-four million, six hundred forty-five thousand, four hundred twenty-nine".