650555428575401 has 2 divisors, whose sum is σ = 650555428575402. Its totient is φ = 650555428575400.

The previous prime is 650555428575397. The next prime is 650555428575449. The reversal of 650555428575401 is 104575824555056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619327181101225 + 31228247474176 = 24886285^2 + 5588224^2 .

It is a cyclic number.

It is not a de Polignac number, because 650555428575401 - 2² = 650555428575397 is a prime.

It is not a weakly prime, because it can be changed into another prime (650555425575401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325277714287700 + 325277714287701.

It is an arithmetic number, because the mean of its divisors is an integer number (325277714287701).

Almost surely, 2^{650555428575401} is an apocalyptic number.

It is an amenable number.

650555428575401 is a deficient number, since it is larger than the sum of its proper divisors (1).

650555428575401 is an equidigital number, since it uses as much as digits as its factorization.

650555428575401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000000, while the sum is 62.

The spelling of 650555428575401 in words is "six hundred fifty trillion, five hundred fifty-five billion, four hundred twenty-eight million, five hundred seventy-five thousand, four hundred one".