426309963 has 4 divisors (see below), whose sum is σ = 568413288. Its totient is φ = 284206640.

The previous prime is 426309953. The next prime is 426310013. The reversal of 426309963 is 369903624.

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 426309963 - 2¹⁸ = 426047819 is a prime.

It is a super-2 number, since 2×426309963² = 363480369106122738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426309913) 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, 71051658 + ... + 71051663.

It is an arithmetic number, because the mean of its divisors is an integer number (142103322).

Almost surely, 2^426309963 is an apocalyptic number.

426309963 is a deficient number, since it is larger than the sum of its proper divisors (142103325).

426309963 is a wasteful number, since it uses less digits than its factorization.

426309963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142103324.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 426309963 is about 20647.2749533685. The cubic root of 426309963 is about 752.6189702370.

The spelling of 426309963 in words is "four hundred twenty-six million, three hundred nine thousand, nine hundred sixty-three".