214861023890 has 16 divisors (see below), whose sum is σ = 387143299008. Its totient is φ = 85856974896.

The previous prime is 214861023889. The next prime is 214861023919. The reversal of 214861023890 is 98320168412.

It is a happy 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, 10919012 + ... + 10938671.

It is an arithmetic number, because the mean of its divisors is an integer number (24196456188).

Almost surely, 2^214861023890 is an apocalyptic number.

214861023890 is a deficient number, since it is larger than the sum of its proper divisors (172282275118).

214861023890 is a wasteful number, since it uses less digits than its factorization.

214861023890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21858673.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 214861023890 in words is "two hundred fourteen billion, eight hundred sixty-one million, twenty-three thousand, eight hundred ninety".