213280701667 has 12 divisors (see below), whose sum is σ = 234525834088. Its totient is φ = 193814359200.

The previous prime is 213280701649. The next prime is 213280701671. The reversal of 213280701667 is 766107082312.

It is a de Polignac number, because none of the positive numbers 2^k-213280701667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213280701607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44553 + ... + 654634.

Almost surely, 2^213280701667 is an apocalyptic number.

213280701667 is a deficient number, since it is larger than the sum of its proper divisors (21245132421).

213280701667 is a wasteful number, since it uses less digits than its factorization.

213280701667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701730 (or 701719 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

Adding to 213280701667 its reverse (766107082312), we get a palindrome (979387783979).

The spelling of 213280701667 in words is "two hundred thirteen billion, two hundred eighty million, seven hundred one thousand, six hundred sixty-seven".