34319195820 has 144 divisors (see below), whose sum is σ = 128125058880. Its totient is φ = 7240969728.

The previous prime is 34319195707. The next prime is 34319195831. The reversal of 34319195820 is 2859191343.

It is a happy number.

34319195820 is a `hidden beast` number, since 3 + 43 + 19 + 19 + 582 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 1031215 + ... + 1063974.

Almost surely, 2^34319195820 is an apocalyptic number.

34319195820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34319195820 is an abundant number, since it is smaller than the sum of its proper divisors (93805863060).

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

34319195820 is a wasteful number, since it uses less digits than its factorization.

34319195820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095224 (or 2095219 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 34319195820 in words is "thirty-four billion, three hundred nineteen million, one hundred ninety-five thousand, eight hundred twenty".