426969222076478 has 16 divisors (see below), whose sum is σ = 679835717969904. Its totient is φ = 200420580159360.

The previous prime is 426969222076469. The next prime is 426969222076513. The reversal of 426969222076478 is 874670222969624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15816004508 + ... + 15816031503.

It is an arithmetic number, because the mean of its divisors is an integer number (42489732373119).

Almost surely, 2^{426969222076478} is an apocalyptic number.

426969222076478 is a deficient number, since it is larger than the sum of its proper divisors (252866495893426).

426969222076478 is a wasteful number, since it uses less digits than its factorization.

426969222076478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31632036427.

The product of its (nonzero) digits is 1755758592, while the sum is 74.

The spelling of 426969222076478 in words is "four hundred twenty-six trillion, nine hundred sixty-nine billion, two hundred twenty-two million, seventy-six thousand, four hundred seventy-eight".