74654102321 has 2 divisors, whose sum is σ = 74654102322. Its totient is φ = 74654102320.

The previous prime is 74654102297. The next prime is 74654102359. The reversal of 74654102321 is 12320145647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72732156721 + 1921945600 = 269689^2 + 43840^2 .

It is an emirp because it is prime and its reverse (12320145647) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74654102321 is a prime.

It is not a weakly prime, because it can be changed into another prime (74654102521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37327051160 + 37327051161.

It is an arithmetic number, because the mean of its divisors is an integer number (37327051161).

Almost surely, 2^74654102321 is an apocalyptic number.

It is an amenable number.

74654102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

74654102321 is an equidigital number, since it uses as much as digits as its factorization.

74654102321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 74654102321 its reverse (12320145647), we get a palindrome (86974247968).

The spelling of 74654102321 in words is "seventy-four billion, six hundred fifty-four million, one hundred two thousand, three hundred twenty-one".