213085911942969 has 32 divisors (see below), whose sum is σ = 308174760614784. Its totient is φ = 130186077465600.

The previous prime is 213085911942931. The next prime is 213085911943043. The reversal of 213085911942969 is 969249119580312.

213085911942969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213085911942969 - 2¹¹ = 213085911940921 is a prime.

It is a super-2 number, since 2×213085911942969² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213085911942929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7134579 + ... + 21842024.

It is an arithmetic number, because the mean of its divisors is an integer number (9630461269212).

Almost surely, 2^{213085911942969} is an apocalyptic number.

It is an amenable number.

213085911942969 is a deficient number, since it is larger than the sum of its proper divisors (95088848671815).

213085911942969 is a wasteful number, since it uses less digits than its factorization.

213085911942969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28977977.

The product of its (nonzero) digits is 75582720, while the sum is 69.

The spelling of 213085911942969 in words is "two hundred thirteen trillion, eighty-five billion, nine hundred eleven million, nine hundred forty-two thousand, nine hundred sixty-nine".