213593934554 has 96 divisors (see below), whose sum is σ = 442121452416. Its totient is φ = 74739905280.

The previous prime is 213593934539. The next prime is 213593934583. The reversal of 213593934554 is 455439395312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213593934496 and 213593934505.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2701772 + ... + 2779704.

It is an arithmetic number, because the mean of its divisors is an integer number (4605431796).

Almost surely, 2^213593934554 is an apocalyptic number.

213593934554 is an abundant number, since it is smaller than the sum of its proper divisors (228527517862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213593934554 is a wasteful number, since it uses less digits than its factorization.

213593934554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78040 (or 78003 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 53.

The spelling of 213593934554 in words is "two hundred thirteen billion, five hundred ninety-three million, nine hundred thirty-four thousand, five hundred fifty-four".