2102650969 has 2 divisors, whose sum is σ = 2102650970. Its totient is φ = 2102650968.

The previous prime is 2102650951. The next prime is 2102650973. The reversal of 2102650969 is 9690562012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2041232400 + 61418569 = 45180^2 + 7837^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102650969 - 2⁷ = 2102650841 is a prime.

It is a super-2 number, since 2×2102650969² = 8842282194873277922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102650169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051325484 + 1051325485.

It is an arithmetic number, because the mean of its divisors is an integer number (1051325485).

Almost surely, 2^2102650969 is an apocalyptic number.

It is an amenable number.

2102650969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102650969 is an equidigital number, since it uses as much as digits as its factorization.

2102650969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2102650969 is about 45854.6722701188. The cubic root of 2102650969 is about 1281.1177916837.

The spelling of 2102650969 in words is "two billion, one hundred two million, six hundred fifty thousand, nine hundred sixty-nine".