29213186845 has 8 divisors (see below), whose sum is σ = 35057972664. Its totient is φ = 23369117184.

The previous prime is 29213186843. The next prime is 29213186887. The reversal of 29213186845 is 54868131292.

It can be written as a sum of positive squares in 4 ways, for example, as 1296792121 + 27916394724 = 36011^2 + 167082^2 .

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 29213186845 - 2¹ = 29213186843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29213186843) 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, 84784 + ... + 256153.

It is an arithmetic number, because the mean of its divisors is an integer number (4382246583).

Almost surely, 2^29213186845 is an apocalyptic number.

It is an amenable number.

29213186845 is a deficient number, since it is larger than the sum of its proper divisors (5844785819).

29213186845 is a wasteful number, since it uses less digits than its factorization.

29213186845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358079.

The product of its digits is 829440, while the sum is 49.

The spelling of 29213186845 in words is "twenty-nine billion, two hundred thirteen million, one hundred eighty-six thousand, eight hundred forty-five".