4291720963 has 4 divisors (see below), whose sum is σ = 4313287600. Its totient is φ = 4270154328.

The previous prime is 4291720921. The next prime is 4291720967. The reversal of 4291720963 is 3690271924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4291720963 - 2²⁵ = 4258166531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4291720967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10783020 + ... + 10783417.

It is an arithmetic number, because the mean of its divisors is an integer number (1078321900).

Almost surely, 2^4291720963 is an apocalyptic number.

4291720963 is a deficient number, since it is larger than the sum of its proper divisors (21566637).

4291720963 is a wasteful number, since it uses less digits than its factorization.

4291720963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21566636.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 4291720963 is about 65511.2277628805. The cubic root of 4291720963 is about 1625.0890318715.

The spelling of 4291720963 in words is "four billion, two hundred ninety-one million, seven hundred twenty thousand, nine hundred sixty-three".