213523092898 has 8 divisors (see below), whose sum is σ = 321424443180. Its totient is φ = 106381611840.

The previous prime is 213523092857. The next prime is 213523092943. The reversal of 213523092898 is 898290325312.

It can be written as a sum of positive squares in 2 ways, for example, as 207000430729 + 6522662169 = 454973^2 + 80763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213523092898² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189966603 + ... + 189967726.

Almost surely, 2^213523092898 is an apocalyptic number.

213523092898 is a deficient number, since it is larger than the sum of its proper divisors (107901350282).

213523092898 is a wasteful number, since it uses less digits than its factorization.

213523092898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379934612.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 213523092898 in words is "two hundred thirteen billion, five hundred twenty-three million, ninety-two thousand, eight hundred ninety-eight".