429139797428 has 6 divisors (see below), whose sum is σ = 750994645506. Its totient is φ = 214569898712.

The previous prime is 429139797397. The next prime is 429139797439. The reversal of 429139797428 is 824797931924.

It can be written as a sum of positive squares in only one way, i.e., 333746533264 + 95393264164 = 577708^2 + 308858^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53642474675 + ... + 53642474682.

It is an arithmetic number, because the mean of its divisors is an integer number (125165774251).

Almost surely, 2^429139797428 is an apocalyptic number.

It is an amenable number.

429139797428 is a deficient number, since it is larger than the sum of its proper divisors (321854848078).

429139797428 is a wasteful number, since it uses less digits than its factorization.

429139797428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107284949361 (or 107284949359 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 65.

The spelling of 429139797428 in words is "four hundred twenty-nine billion, one hundred thirty-nine million, seven hundred ninety-seven thousand, four hundred twenty-eight".