426961929 has 4 divisors (see below), whose sum is σ = 569282576. Its totient is φ = 284641284.

The previous prime is 426961879. The next prime is 426961957. The reversal of 426961929 is 929169624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 426961929 - 2⁹ = 426961417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426961999) 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, 71160319 + ... + 71160324.

It is an arithmetic number, because the mean of its divisors is an integer number (142320644).

Almost surely, 2^426961929 is an apocalyptic number.

It is an amenable number.

426961929 is a deficient number, since it is larger than the sum of its proper divisors (142320647).

426961929 is a wasteful number, since it uses less digits than its factorization.

426961929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142320646.

The product of its digits is 419904, while the sum is 48.

The square root of 426961929 is about 20663.0571068272. The cubic root of 426961929 is about 753.0024408705.

The spelling of 426961929 in words is "four hundred twenty-six million, nine hundred sixty-one thousand, nine hundred twenty-nine".