426969697 has 32 divisors (see below), whose sum is σ = 556139520. Its totient is φ = 318050880.

The previous prime is 426969623. The next prime is 426969701. The reversal of 426969697 is 796969624.

It is not a de Polignac number, because 426969697 - 2¹¹ = 426967649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426969097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238038 + ... + 239824.

It is an arithmetic number, because the mean of its divisors is an integer number (17379360).

Almost surely, 2^426969697 is an apocalyptic number.

It is an amenable number.

426969697 is a deficient number, since it is larger than the sum of its proper divisors (129169823).

426969697 is a wasteful number, since it uses less digits than its factorization.

426969697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its digits is 8817984, while the sum is 58.

The square root of 426969697 is about 20663.2450742859. The cubic root of 426969697 is about 753.0070074661.

The spelling of 426969697 in words is "four hundred twenty-six million, nine hundred sixty-nine thousand, six hundred ninety-seven".