2690920039 has 2 divisors, whose sum is σ = 2690920040. Its totient is φ = 2690920038.

The previous prime is 2690920019. The next prime is 2690920051. The reversal of 2690920039 is 9300290962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2690920039 - 2⁹ = 2690919527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2690919983 and 2690920010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690920019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345460019 + 1345460020.

It is an arithmetic number, because the mean of its divisors is an integer number (1345460020).

Almost surely, 2^2690920039 is an apocalyptic number.

2690920039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690920039 is an equidigital number, since it uses as much as digits as its factorization.

2690920039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 2690920039 is about 51874.0786809751. The cubic root of 2690920039 is about 1390.9139545885.

The spelling of 2690920039 in words is "two billion, six hundred ninety million, nine hundred twenty thousand, thirty-nine".