4402394124257 has 2 divisors, whose sum is σ = 4402394124258. Its totient is φ = 4402394124256.

The previous prime is 4402394124253. The next prime is 4402394124269. The reversal of 4402394124257 is 7524214932044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4211323726801 + 191070397456 = 2052151^2 + 437116^2 .

It is a cyclic number.

It is not a de Polignac number, because 4402394124257 - 2² = 4402394124253 is a prime.

It is not a weakly prime, because it can be changed into another prime (4402394124253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2201197062128 + 2201197062129.

It is an arithmetic number, because the mean of its divisors is an integer number (2201197062129).

Almost surely, 2^{4402394124257} is an apocalyptic number.

It is an amenable number.

4402394124257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402394124257 is an equidigital number, since it uses as much as digits as its factorization.

4402394124257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 4402394124257 in words is "four trillion, four hundred two billion, three hundred ninety-four million, one hundred twenty-four thousand, two hundred fifty-seven".