2190253963 has 2 divisors, whose sum is σ = 2190253964. Its totient is φ = 2190253962.

The previous prime is 2190253921. The next prime is 2190253969. The reversal of 2190253963 is 3693520912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190253963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190253969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095126981 + 1095126982.

It is an arithmetic number, because the mean of its divisors is an integer number (1095126982).

Almost surely, 2^2190253963 is an apocalyptic number.

2190253963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190253963 is an equidigital number, since it uses as much as digits as its factorization.

2190253963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 2190253963 is about 46800.1491771127. The cubic root of 2190253963 is about 1298.6680565042.

The spelling of 2190253963 in words is "two billion, one hundred ninety million, two hundred fifty-three thousand, nine hundred sixty-three".