213245506942 has 8 divisors (see below), whose sum is σ = 344473511256. Its totient is φ = 98421003192.

The previous prime is 213245506937. The next prime is 213245506973. The reversal of 213245506942 is 249605542312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100875108 + ... + 4100875159.

It is an arithmetic number, because the mean of its divisors is an integer number (43059188907).

Almost surely, 2^213245506942 is an apocalyptic number.

213245506942 is a deficient number, since it is larger than the sum of its proper divisors (131228004314).

213245506942 is a wasteful number, since it uses less digits than its factorization.

213245506942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201750282.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 213245506942 in words is "two hundred thirteen billion, two hundred forty-five million, five hundred six thousand, nine hundred forty-two".