1690097963 has 2 divisors, whose sum is σ = 1690097964. Its totient is φ = 1690097962.

The previous prime is 1690097923. The next prime is 1690097999. The reversal of 1690097963 is 3697900961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1690097963 - 2¹⁴ = 1690081579 is a prime.

It is a super-2 number, since 2×1690097963² = 5712862249073498738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1690097923) 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, 845048981 + 845048982.

It is an arithmetic number, because the mean of its divisors is an integer number (845048982).

Almost surely, 2^1690097963 is an apocalyptic number.

1690097963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1690097963 is an equidigital number, since it uses as much as digits as its factorization.

1690097963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 1690097963 is about 41110.8010503323. The cubic root of 1690097963 is about 1191.1614400365.

The spelling of 1690097963 in words is "one billion, six hundred ninety million, ninety-seven thousand, nine hundred sixty-three".