214023421988 has 6 divisors (see below), whose sum is σ = 374540988486. Its totient is φ = 107011710992.

The previous prime is 214023421973. The next prime is 214023421991. The reversal of 214023421988 is 889124320412.

It can be written as a sum of positive squares in only one way, i.e., 135381315364 + 78642106624 = 367942^2 + 280432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752927745 + ... + 26752927752.

It is an arithmetic number, because the mean of its divisors is an integer number (62423498081).

Almost surely, 2^214023421988 is an apocalyptic number.

It is an amenable number.

214023421988 is a deficient number, since it is larger than the sum of its proper divisors (160517566498).

214023421988 is a wasteful number, since it uses less digits than its factorization.

214023421988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53505855501 (or 53505855499 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 214023421988 in words is "two hundred fourteen billion, twenty-three million, four hundred twenty-one thousand, nine hundred eighty-eight".