429673929257 has 4 divisors (see below), whose sum is σ = 437780984580. Its totient is φ = 421566873936.

The previous prime is 429673929229. The next prime is 429673929259. The reversal of 429673929257 is 752929376924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351843530896 + 77830398361 = 593164^2 + 278981^2 .

It is a cyclic number.

It is not a de Polignac number, because 429673929257 - 2¹⁶ = 429673863721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 429673929193 and 429673929202.

It is not an unprimeable number, because it can be changed into a prime (429673929259) 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, 4053527582 + ... + 4053527687.

It is an arithmetic number, because the mean of its divisors is an integer number (109445246145).

Almost surely, 2^429673929257 is an apocalyptic number.

It is an amenable number.

429673929257 is a deficient number, since it is larger than the sum of its proper divisors (8107055323).

429673929257 is an equidigital number, since it uses as much as digits as its factorization.

429673929257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107055322.

The product of its digits is 102876480, while the sum is 65.

The spelling of 429673929257 in words is "four hundred twenty-nine billion, six hundred seventy-three million, nine hundred twenty-nine thousand, two hundred fifty-seven".