28571423396534 has 32 divisors (see below), whose sum is σ = 45506033176320. Its totient is φ = 13407523290112.

The previous prime is 28571423396507. The next prime is 28571423396563. The reversal of 28571423396534 is 43569332417582.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21721802 + ... + 22999554.

It is an arithmetic number, because the mean of its divisors is an integer number (1422063536760).

Almost surely, 2^{28571423396534} is an apocalyptic number.

28571423396534 is a deficient number, since it is larger than the sum of its proper divisors (16934609779786).

28571423396534 is a wasteful number, since it uses less digits than its factorization.

28571423396534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279624.

The product of its digits is 130636800, while the sum is 62.

The spelling of 28571423396534 in words is "twenty-eight trillion, five hundred seventy-one billion, four hundred twenty-three million, three hundred ninety-six thousand, five hundred thirty-four".