74629511653 has 2 divisors, whose sum is σ = 74629511654. Its totient is φ = 74629511652.

The previous prime is 74629511639. The next prime is 74629511689. The reversal of 74629511653 is 35611592647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69452277444 + 5177234209 = 263538^2 + 71953^2 .

It is a cyclic number.

It is not a de Polignac number, because 74629511653 - 2⁹ = 74629511141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74629511597 and 74629511606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74629511623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37314755826 + 37314755827.

It is an arithmetic number, because the mean of its divisors is an integer number (37314755827).

Almost surely, 2^74629511653 is an apocalyptic number.

It is an amenable number.

74629511653 is a deficient number, since it is larger than the sum of its proper divisors (1).

74629511653 is an equidigital number, since it uses as much as digits as its factorization.

74629511653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 49.

The spelling of 74629511653 in words is "seventy-four billion, six hundred twenty-nine million, five hundred eleven thousand, six hundred fifty-three".