854865042434 has 8 divisors (see below), whose sum is σ = 1380935837820. Its totient is φ = 394553096496.

The previous prime is 854865042407. The next prime is 854865042461. The reversal of 854865042434 is 434240568458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (854865042407) and next prime (854865042461).

It can be written as a sum of positive squares in 2 ways, for example, as 697981715209 + 156883327225 = 835453^2 + 396085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 16439712329 + ... + 16439712380.

Almost surely, 2^854865042434 is an apocalyptic number.

854865042434 is a deficient number, since it is larger than the sum of its proper divisors (526070795386).

854865042434 is a wasteful number, since it uses less digits than its factorization.

854865042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32879424724.

The product of its (nonzero) digits is 14745600, while the sum is 53.

The spelling of 854865042434 in words is "eight hundred fifty-four billion, eight hundred sixty-five million, forty-two thousand, four hundred thirty-four".