2040355739 has 2 divisors, whose sum is σ = 2040355740. Its totient is φ = 2040355738.

The previous prime is 2040355699. The next prime is 2040355741. The reversal of 2040355739 is 9375530402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040355739 - 2⁸ = 2040355483 is a prime.

It is a super-2 number, since 2×2040355739² = 8326103083340472242, which contains 22 as substring.

Together with 2040355741, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2040355789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020177869 + 1020177870.

It is an arithmetic number, because the mean of its divisors is an integer number (1020177870).

Almost surely, 2^2040355739 is an apocalyptic number.

2040355739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040355739 is an equidigital number, since it uses as much as digits as its factorization.

2040355739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 2040355739 is about 45170.2970877987. The cubic root of 2040355739 is about 1268.3388576048.

The spelling of 2040355739 in words is "two billion, forty million, three hundred fifty-five thousand, seven hundred thirty-nine".