429668645 has 16 divisors (see below), whose sum is σ = 595099008. Its totient is φ = 291710400.

The previous prime is 429668633. The next prime is 429668647. The reversal of 429668645 is 546866924.

It is not a de Polignac number, because 429668645 - 2¹⁰ = 429667621 is a prime.

It is a super-2 number, since 2×429668645² = 369230288992272050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 429668593 and 429668602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429668647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57239 + ... + 64308.

It is an arithmetic number, because the mean of its divisors is an integer number (37193688).

Almost surely, 2^429668645 is an apocalyptic number.

It is an amenable number.

429668645 is a deficient number, since it is larger than the sum of its proper divisors (165430363).

429668645 is a wasteful number, since it uses less digits than its factorization.

429668645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121660.

The product of its digits is 2488320, while the sum is 50.

The square root of 429668645 is about 20728.4501350197. The cubic root of 429668645 is about 754.5903044530.

The spelling of 429668645 in words is "four hundred twenty-nine million, six hundred sixty-eight thousand, six hundred forty-five".