27690069213 has 32 divisors (see below), whose sum is σ = 42845212800. Its totient is φ = 17656662528.

The previous prime is 27690069179. The next prime is 27690069269. The reversal of 27690069213 is 31296009672.

It is a happy number.

It is not a de Polignac number, because 27690069213 - 2²⁹ = 27153198301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27690069313) 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, 175956 + ... + 293837.

It is an arithmetic number, because the mean of its divisors is an integer number (1338912900).

Almost surely, 2^27690069213 is an apocalyptic number.

It is an amenable number.

27690069213 is a deficient number, since it is larger than the sum of its proper divisors (15155143587).

27690069213 is a wasteful number, since it uses less digits than its factorization.

27690069213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469898 (or 469892 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 27690069213 in words is "twenty-seven billion, six hundred ninety million, sixty-nine thousand, two hundred thirteen".