213696699442 has 16 divisors (see below), whose sum is σ = 330262209792. Its totient is φ = 103649533120.

The previous prime is 213696699409. The next prime is 213696699443. The reversal of 213696699442 is 244996696312.

It is a super-2 number, since 2×213696699442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213696699443) 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, 10048534 + ... + 10069777.

It is an arithmetic number, because the mean of its divisors is an integer number (20641388112).

Almost surely, 2^213696699442 is an apocalyptic number.

213696699442 is a deficient number, since it is larger than the sum of its proper divisors (116565510350).

213696699442 is a wasteful number, since it uses less digits than its factorization.

213696699442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20118473.

The product of its digits is 30233088, while the sum is 61.

The spelling of 213696699442 in words is "two hundred thirteen billion, six hundred ninety-six million, six hundred ninety-nine thousand, four hundred forty-two".