2235744857 has 2 divisors, whose sum is σ = 2235744858. Its totient is φ = 2235744856.

The previous prime is 2235744827. The next prime is 2235744911. The reversal of 2235744857 is 7584475322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1951518976 + 284225881 = 44176^2 + 16859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235744857 - 2¹⁸ = 2235482713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2235744827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117872428 + 1117872429.

It is an arithmetic number, because the mean of its divisors is an integer number (1117872429).

Almost surely, 2^2235744857 is an apocalyptic number.

It is an amenable number.

2235744857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235744857 is an equidigital number, since it uses as much as digits as its factorization.

2235744857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 47.

The square root of 2235744857 is about 47283.6637434114. The cubic root of 2235744857 is about 1307.5974956394.

The spelling of 2235744857 in words is "two billion, two hundred thirty-five million, seven hundred forty-four thousand, eight hundred fifty-seven".