2070902621 has 2 divisors, whose sum is σ = 2070902622. Its totient is φ = 2070902620.

The previous prime is 2070902501. The next prime is 2070902623. The reversal of 2070902621 is 1262090702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1696286596 + 374616025 = 41186^2 + 19355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070902621 - 2³⁰ = 997160797 is a prime.

Together with 2070902623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070902623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035451310 + 1035451311.

It is an arithmetic number, because the mean of its divisors is an integer number (1035451311).

Almost surely, 2^2070902621 is an apocalyptic number.

It is an amenable number.

2070902621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070902621 is an equidigital number, since it uses as much as digits as its factorization.

2070902621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2070902621 is about 45507.1710942352. The cubic root of 2070902621 is about 1274.6371123605.

The spelling of 2070902621 in words is "two billion, seventy million, nine hundred two thousand, six hundred twenty-one".