285310961421 has 8 divisors (see below), whose sum is σ = 381006242400. Its totient is φ = 189911494032.

The previous prime is 285310961357. The next prime is 285310961459. The reversal of 285310961421 is 124169013582.

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

It is not a de Polignac number, because 285310961421 - 2⁶ = 285310961357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285310961921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73951146 + ... + 73955003.

It is an arithmetic number, because the mean of its divisors is an integer number (47625780300).

Almost surely, 2^285310961421 is an apocalyptic number.

It is an amenable number.

285310961421 is a deficient number, since it is larger than the sum of its proper divisors (95695280979).

285310961421 is a wasteful number, since it uses less digits than its factorization.

285310961421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147906795.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 285310961421 in words is "two hundred eighty-five billion, three hundred ten million, nine hundred sixty-one thousand, four hundred twenty-one".