17420748963 has 16 divisors (see below), whose sum is σ = 24837510816. Its totient is φ = 10822438400.

The previous prime is 17420748959. The next prime is 17420748967. The reversal of 17420748963 is 36984702471.

It is an interprime number because it is at equal distance from previous prime (17420748959) and next prime (17420748967).

It is a cyclic number.

It is not a de Polignac number, because 17420748963 - 2² = 17420748959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (17420748967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685856 + ... + 1696157.

It is an arithmetic number, because the mean of its divisors is an integer number (1552344426).

Almost surely, 2^17420748963 is an apocalyptic number.

17420748963 is a deficient number, since it is larger than the sum of its proper divisors (7416761853).

17420748963 is a wasteful number, since it uses less digits than its factorization.

17420748963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382134.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 17420748963 in words is "seventeen billion, four hundred twenty million, seven hundred forty-eight thousand, nine hundred sixty-three".