213674643157 has 8 divisors (see below), whose sum is σ = 214231651200. Its totient is φ = 213118356624.

The previous prime is 213674643151. The next prime is 213674643187. The reversal of 213674643157 is 751346476312.

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

It is a cyclic number.

It is not a de Polignac number, because 213674643157 - 2¹⁵ = 213674610389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213674643157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213674643151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415248 + ... + 774454.

It is an arithmetic number, because the mean of its divisors is an integer number (26778956400).

Almost surely, 2^213674643157 is an apocalyptic number.

It is an amenable number.

213674643157 is a deficient number, since it is larger than the sum of its proper divisors (557008043).

213674643157 is an equidigital number, since it uses as much as digits as its factorization.

213674643157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360755.

The product of its digits is 2540160, while the sum is 49.

The spelling of 213674643157 in words is "two hundred thirteen billion, six hundred seventy-four million, six hundred forty-three thousand, one hundred fifty-seven".