2920000621 has 2 divisors, whose sum is σ = 2920000622. Its totient is φ = 2920000620.

The previous prime is 2920000571. The next prime is 2920000651. The reversal of 2920000621 is 1260000292.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2031304900 + 888695721 = 45070^2 + 29811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920000621 - 2⁷ = 2920000493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2920000592 and 2920000601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2920000651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460000310 + 1460000311.

It is an arithmetic number, because the mean of its divisors is an integer number (1460000311).

Almost surely, 2^2920000621 is an apocalyptic number.

It is an amenable number.

2920000621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920000621 is an equidigital number, since it uses as much as digits as its factorization.

2920000621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2920000621 is about 54037.0300904852. The cubic root of 2920000621 is about 1429.3140010876.

The spelling of 2920000621 in words is "two billion, nine hundred twenty million, six hundred twenty-one", and thus it is an aban number.