2265164440433 has 2 divisors, whose sum is σ = 2265164440434. Its totient is φ = 2265164440432.

The previous prime is 2265164440417. The next prime is 2265164440453. The reversal of 2265164440433 is 3340444615622.

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., 2138166289009 + 126998151424 = 1462247^2 + 356368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265164440433 - 2⁴ = 2265164440417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2265164440403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132582220216 + 1132582220217.

It is an arithmetic number, because the mean of its divisors is an integer number (1132582220217).

Almost surely, 2^{2265164440433} is an apocalyptic number.

It is an amenable number.

2265164440433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265164440433 is an equidigital number, since it uses as much as digits as its factorization.

2265164440433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 2265164440433 in words is "two trillion, two hundred sixty-five billion, one hundred sixty-four million, four hundred forty thousand, four hundred thirty-three".