2353994081 has 2 divisors, whose sum is σ = 2353994082. Its totient is φ = 2353994080.

The previous prime is 2353994017. The next prime is 2353994129. The reversal of 2353994081 is 1804993532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790643856 + 563350225 = 42316^2 + 23735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2353994081 - 2⁶ = 2353994017 is a prime.

It is a super-2 number, since 2×2353994081² = 11082576266766069122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2353994381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176997040 + 1176997041.

It is an arithmetic number, because the mean of its divisors is an integer number (1176997041).

Almost surely, 2^2353994081 is an apocalyptic number.

It is an amenable number.

2353994081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2353994081 is an equidigital number, since it uses as much as digits as its factorization.

2353994081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2353994081 is about 48517.9768848620. The cubic root of 2353994081 is about 1330.2556805824.

The spelling of 2353994081 in words is "two billion, three hundred fifty-three million, nine hundred ninety-four thousand, eighty-one".