426929709 has 8 divisors (see below), whose sum is σ = 571793152. Its totient is φ = 283343040.

The previous prime is 426929693. The next prime is 426929731. The reversal of 426929709 is 907929624.

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

It is not a de Polignac number, because 426929709 - 2⁴ = 426929693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426929759) 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, 318412 + ... + 319749.

It is an arithmetic number, because the mean of its divisors is an integer number (71474144).

Almost surely, 2^426929709 is an apocalyptic number.

It is an amenable number.

426929709 is a deficient number, since it is larger than the sum of its proper divisors (144863443).

426929709 is a wasteful number, since it uses less digits than its factorization.

426929709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638387.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 426929709 is about 20662.2774398177. The cubic root of 426929709 is about 752.9834990185.

The spelling of 426929709 in words is "four hundred twenty-six million, nine hundred twenty-nine thousand, seven hundred nine".