32949189858 has 32 divisors (see below), whose sum is σ = 71030534400. Its totient is φ = 10129205376.

The previous prime is 32949189839. The next prime is 32949189859. The reversal of 32949189858 is 85898194923.

It is a happy number.

It is a super-2 number, since 2×32949189858² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32949189859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99018 + ... + 275141.

It is an arithmetic number, because the mean of its divisors is an integer number (2219704200).

Almost surely, 2^32949189858 is an apocalyptic number.

32949189858 is an abundant number, since it is smaller than the sum of its proper divisors (38081344542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32949189858 is a wasteful number, since it uses less digits than its factorization.

32949189858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375306.

The product of its digits is 44789760, while the sum is 66.

The spelling of 32949189858 in words is "thirty-two billion, nine hundred forty-nine million, one hundred eighty-nine thousand, eight hundred fifty-eight".