3969245142 has 24 divisors (see below), whose sum is σ = 8603300160. Its totient is φ = 1322578800.

The previous prime is 3969245107. The next prime is 3969245191. The reversal of 3969245142 is 2415429693.

3969245142 is a `hidden beast` number, since 396 + 9 + 245 + 14 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8392 + ... + 89492.

It is an arithmetic number, because the mean of its divisors is an integer number (358470840).

Almost surely, 2^3969245142 is an apocalyptic number.

3969245142 is an abundant number, since it is smaller than the sum of its proper divisors (4634055018).

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

3969245142 is a wasteful number, since it uses less digits than its factorization.

3969245142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83828 (or 83825 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 3969245142 is about 63001.9455413878. The cubic root of 3969245142 is about 1583.3222225579.

The spelling of 3969245142 in words is "three billion, nine hundred sixty-nine million, two hundred forty-five thousand, one hundred forty-two".