213629621889 has 32 divisors (see below), whose sum is σ = 292260151296. Its totient is φ = 138757389120.

The previous prime is 213629621869. The next prime is 213629621911. The reversal of 213629621889 is 988126926312.

It is not a de Polignac number, because 213629621889 - 2⁷ = 213629621761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213629621839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15029824 + ... + 15044030.

It is an arithmetic number, because the mean of its divisors is an integer number (9133129728).

Almost surely, 2^213629621889 is an apocalyptic number.

It is an amenable number.

213629621889 is a deficient number, since it is larger than the sum of its proper divisors (78630529407).

213629621889 is a wasteful number, since it uses less digits than its factorization.

213629621889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045.

The product of its digits is 4478976, while the sum is 57.

The spelling of 213629621889 in words is "two hundred thirteen billion, six hundred twenty-nine million, six hundred twenty-one thousand, eight hundred eighty-nine".