429720891896 has 16 divisors (see below), whose sum is σ = 813704165640. Its totient is φ = 212733114400.

The previous prime is 429720891833. The next prime is 429720891907. The reversal of 429720891896 is 698198027924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265915586 + ... + 265917201.

Almost surely, 2^429720891896 is an apocalyptic number.

It is an amenable number.

429720891896 is a deficient number, since it is larger than the sum of its proper divisors (383983273744).

429720891896 is a wasteful number, since it uses less digits than its factorization.

429720891896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531832894 (or 531832890 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 65.

Adding to 429720891896 its sum of digits (65), we get a square (429720891961 = 655531²).

The spelling of 429720891896 in words is "four hundred twenty-nine billion, seven hundred twenty million, eight hundred ninety-one thousand, eight hundred ninety-six".