2113896947 has 2 divisors, whose sum is σ = 2113896948. Its totient is φ = 2113896946.

The previous prime is 2113896859. The next prime is 2113897007. The reversal of 2113896947 is 7496983112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113896947 - 2¹⁶ = 2113831411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113896895 and 2113896904.

It is not a weakly prime, because it can be changed into another prime (2113896347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056948473 + 1056948474.

It is an arithmetic number, because the mean of its divisors is an integer number (1056948474).

Almost surely, 2^2113896947 is an apocalyptic number.

2113896947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113896947 is an equidigital number, since it uses as much as digits as its factorization.

2113896947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 2113896947 is about 45977.1350455854. The cubic root of 2113896947 is about 1283.3977409552.

The spelling of 2113896947 in words is "two billion, one hundred thirteen million, eight hundred ninety-six thousand, nine hundred forty-seven".