2081590403 has 2 divisors, whose sum is σ = 2081590404. Its totient is φ = 2081590402.

The previous prime is 2081590351. The next prime is 2081590409. The reversal of 2081590403 is 3040951802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081590403 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081590403.

It is not a weakly prime, because it can be changed into another prime (2081590409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040795201 + 1040795202.

It is an arithmetic number, because the mean of its divisors is an integer number (1040795202).

Almost surely, 2^2081590403 is an apocalyptic number.

2081590403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081590403 is an equidigital number, since it uses as much as digits as its factorization.

2081590403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2081590403 is about 45624.4496185981. The cubic root of 2081590403 is about 1276.8261215648.

The spelling of 2081590403 in words is "two billion, eighty-one million, five hundred ninety thousand, four hundred three".