2258362221641 has 2 divisors, whose sum is σ = 2258362221642. Its totient is φ = 2258362221640.

The previous prime is 2258362221631. The next prime is 2258362221671. The reversal of 2258362221641 is 1461222638522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1860837015625 + 397525206016 = 1364125^2 + 630496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258362221641 - 2²² = 2258358027337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2258362221592 and 2258362221601.

It is not a weakly prime, because it can be changed into another prime (2258362221631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129181110820 + 1129181110821.

It is an arithmetic number, because the mean of its divisors is an integer number (1129181110821).

Almost surely, 2^{2258362221641} is an apocalyptic number.

It is an amenable number.

2258362221641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258362221641 is an equidigital number, since it uses as much as digits as its factorization.

2258362221641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 44.

The spelling of 2258362221641 in words is "two trillion, two hundred fifty-eight billion, three hundred sixty-two million, two hundred twenty-one thousand, six hundred forty-one".