213151779060943 has 4 divisors (see below), whose sum is σ = 218912637954520. Its totient is φ = 207390920167368.

The previous prime is 213151779060907. The next prime is 213151779060973. The reversal of 213151779060943 is 349060977151312.

It is a happy number.

213151779060943 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 cyclic number.

It is not a de Polignac number, because 213151779060943 - 2⁴¹ = 210952755805391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213151779060973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880429446733 + ... + 2880429446806.

It is an arithmetic number, because the mean of its divisors is an integer number (54728159488630).

Almost surely, 2^{213151779060943} is an apocalyptic number.

213151779060943 is a deficient number, since it is larger than the sum of its proper divisors (5760858893577).

213151779060943 is an equidigital number, since it uses as much as digits as its factorization.

213151779060943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760858893576.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 213151779060943 in words is "two hundred thirteen trillion, one hundred fifty-one billion, seven hundred seventy-nine million, sixty thousand, nine hundred forty-three".