213553100345542 has 4 divisors (see below), whose sum is σ = 320329650518316. Its totient is φ = 106776550172770.

The previous prime is 213553100345443. The next prime is 213553100345551. The reversal of 213553100345542 is 245543001355312.

213553100345542 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53388275086384 + ... + 53388275086387.

It is an arithmetic number, because the mean of its divisors is an integer number (80082412629579).

Almost surely, 2^{213553100345542} is an apocalyptic number.

213553100345542 is a deficient number, since it is larger than the sum of its proper divisors (106776550172774).

213553100345542 is a wasteful number, since it uses less digits than its factorization.

213553100345542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106776550172773.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 213553100345542 in words is "two hundred thirteen trillion, five hundred fifty-three billion, one hundred million, three hundred forty-five thousand, five hundred forty-two".