429187973146 has 32 divisors (see below), whose sum is σ = 650034996480. Its totient is φ = 212521320000.

The previous prime is 429187973143. The next prime is 429187973177. The reversal of 429187973146 is 641379781924.

It is not an unprimeable number, because it can be changed into a prime (429187973143) 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, 106734616 + ... + 106738636.

It is an arithmetic number, because the mean of its divisors is an integer number (20313593640).

Almost surely, 2^429187973146 is an apocalyptic number.

429187973146 is a deficient number, since it is larger than the sum of its proper divisors (220847023334).

429187973146 is a wasteful number, since it uses less digits than its factorization.

429187973146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350.

The product of its digits is 18289152, while the sum is 61.

The spelling of 429187973146 in words is "four hundred twenty-nine billion, one hundred eighty-seven million, nine hundred seventy-three thousand, one hundred forty-six".