213774336742 has 4 divisors (see below), whose sum is σ = 320661505116. Its totient is φ = 106887168370.

The previous prime is 213774336731. The next prime is 213774336773. The reversal of 213774336742 is 247633477312.

213774336742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×213774336742² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53443584184 + ... + 53443584187.

It is an arithmetic number, because the mean of its divisors is an integer number (80165376279).

Almost surely, 2^213774336742 is an apocalyptic number.

213774336742 is a deficient number, since it is larger than the sum of its proper divisors (106887168374).

213774336742 is a wasteful number, since it uses less digits than its factorization.

213774336742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106887168373.

The product of its digits is 3556224, while the sum is 49.

The spelling of 213774336742 in words is "two hundred thirteen billion, seven hundred seventy-four million, three hundred thirty-six thousand, seven hundred forty-two".