2147953963 has 2 divisors, whose sum is σ = 2147953964. Its totient is φ = 2147953962.

The previous prime is 2147953957. The next prime is 2147953981. The reversal of 2147953963 is 3693597412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2147953963 is a prime.

It is a super-2 number, since 2×2147953963² = 9227412454334810738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2147953903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073976981 + 1073976982.

It is an arithmetic number, because the mean of its divisors is an integer number (1073976982).

Almost surely, 2^2147953963 is an apocalyptic number.

2147953963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147953963 is an equidigital number, since it uses as much as digits as its factorization.

2147953963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 2147953963 is about 46346.0242415679. The cubic root of 2147953963 is about 1290.2533330562.

The spelling of 2147953963 in words is "two billion, one hundred forty-seven million, nine hundred fifty-three thousand, nine hundred sixty-three".