213743377734 has 16 divisors (see below), whose sum is σ = 428379217920. Its totient is φ = 71099048840.

The previous prime is 213743377717. The next prime is 213743377747. The reversal of 213743377734 is 437773347312.

It is a congruent 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, 37182822 + ... + 37188569.

It is an arithmetic number, because the mean of its divisors is an integer number (26773701120).

Almost surely, 2^213743377734 is an apocalyptic number.

213743377734 is an abundant number, since it is smaller than the sum of its proper divisors (214635840186).

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

213743377734 is a wasteful number, since it uses less digits than its factorization.

213743377734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74371875.

The product of its digits is 6223392, while the sum is 51.

The spelling of 213743377734 in words is "two hundred thirteen billion, seven hundred forty-three million, three hundred seventy-seven thousand, seven hundred thirty-four".