426679963 has 4 divisors (see below), whose sum is σ = 432524968. Its totient is φ = 420834960.

The previous prime is 426679951. The next prime is 426680003. The reversal of 426679963 is 369976624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426679963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426679963.

It is not an unprimeable number, because it can be changed into a prime (426679063) 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, 2922393 + ... + 2922538.

It is an arithmetic number, because the mean of its divisors is an integer number (108131242).

Almost surely, 2^426679963 is an apocalyptic number.

426679963 is a deficient number, since it is larger than the sum of its proper divisors (5845005).

426679963 is an equidigital number, since it uses as much as digits as its factorization.

426679963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845004.

The product of its digits is 2939328, while the sum is 52.

The square root of 426679963 is about 20656.2330302502. The cubic root of 426679963 is about 752.8366432290.

The spelling of 426679963 in words is "four hundred twenty-six million, six hundred seventy-nine thousand, nine hundred sixty-three".