6429400060255 has 4 divisors (see below), whose sum is σ = 7715280072312. Its totient is φ = 5143520048200.

The previous prime is 6429400060229. The next prime is 6429400060267. The reversal of 6429400060255 is 5520600049246.

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

It is not a de Polignac number, because 6429400060255 - 2⁹ = 6429400059743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642940006021 + ... + 642940006030.

It is an arithmetic number, because the mean of its divisors is an integer number (1928820018078).

Almost surely, 2^{6429400060255} is an apocalyptic number.

6429400060255 is a deficient number, since it is larger than the sum of its proper divisors (1285880012057).

6429400060255 is a wasteful number, since it uses less digits than its factorization.

6429400060255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285880012056.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 6429400060255 in words is "six trillion, four hundred twenty-nine billion, four hundred million, sixty thousand, two hundred fifty-five".