3919948830 has 80 divisors (see below), whose sum is σ = 12046082400. Its totient is φ = 895987008.

The previous prime is 3919948801. The next prime is 3919948861. The reversal of 3919948830 is 388499193.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 340005 + ... + 351344.

It is an arithmetic number, because the mean of its divisors is an integer number (150576030).

Almost surely, 2^3919948830 is an apocalyptic number.

3919948830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3919948830 is an abundant number, since it is smaller than the sum of its proper divisors (8126133570).

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

3919948830 is a wasteful number, since it uses less digits than its factorization.

3919948830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691375 (or 691366 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 3919948830 is about 62609.4947272377. The cubic root of 3919948830 is about 1576.7401718645.

The spelling of 3919948830 in words is "three billion, nine hundred nineteen million, nine hundred forty-eight thousand, eight hundred thirty".