213670711457 has 8 divisors (see below), whose sum is σ = 245951899200. Its totient is φ = 181828723824.

The previous prime is 213670711439. The next prime is 213670711483. The reversal of 213670711457 is 754117076312.

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 213670711457 - 2¹⁸ = 213670449313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213670713457) 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, 109798982 + ... + 109800927.

It is an arithmetic number, because the mean of its divisors is an integer number (30743987400).

Almost surely, 2^213670711457 is an apocalyptic number.

It is an amenable number.

213670711457 is a deficient number, since it is larger than the sum of its proper divisors (32281187743).

213670711457 is a wasteful number, since it uses less digits than its factorization.

213670711457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219600055.

The product of its (nonzero) digits is 246960, while the sum is 44.

Adding to 213670711457 its reverse (754117076312), we get a palindrome (967787787769).

The spelling of 213670711457 in words is "two hundred thirteen billion, six hundred seventy million, seven hundred eleven thousand, four hundred fifty-seven".