213919802038 has 4 divisors (see below), whose sum is σ = 320879703060. Its totient is φ = 106959901018.

The previous prime is 213919802023. The next prime is 213919802119. The reversal of 213919802038 is 830208919312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53479950508 + ... + 53479950511.

It is an arithmetic number, because the mean of its divisors is an integer number (80219925765).

Almost surely, 2^213919802038 is an apocalyptic number.

213919802038 is a deficient number, since it is larger than the sum of its proper divisors (106959901022).

213919802038 is a wasteful number, since it uses less digits than its factorization.

213919802038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106959901021.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 213919802038 in words is "two hundred thirteen billion, nine hundred nineteen million, eight hundred two thousand, thirty-eight".