426801965 has 8 divisors (see below), whose sum is σ = 514053888. Its totient is φ = 340180560.

The previous prime is 426801913. The next prime is 426801967. The reversal of 426801965 is 569108624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426801965 - 2¹⁸ = 426539821 is a prime.

It is a super-2 number, since 2×426801965² = 364319834655722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426801967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156137 + ... + 158846.

It is an arithmetic number, because the mean of its divisors is an integer number (64256736).

Almost surely, 2^426801965 is an apocalyptic number.

It is an amenable number.

426801965 is a deficient number, since it is larger than the sum of its proper divisors (87251923).

426801965 is a wasteful number, since it uses less digits than its factorization.

426801965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315259.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 426801965 is about 20659.1859713784. The cubic root of 426801965 is about 752.9083900740.

The spelling of 426801965 in words is "four hundred twenty-six million, eight hundred one thousand, nine hundred sixty-five".