3851281542 has 16 divisors (see below), whose sum is σ = 7811050752. Its totient is φ = 1265679240.

The previous prime is 3851281531. The next prime is 3851281561. The reversal of 3851281542 is 2451821583.

3851281542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3851281542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4519858 + ... + 4520709.

It is an arithmetic number, because the mean of its divisors is an integer number (488190672).

Almost surely, 2^3851281542 is an apocalyptic number.

3851281542 is an abundant number, since it is smaller than the sum of its proper divisors (3959769210).

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

3851281542 is a wasteful number, since it uses less digits than its factorization.

3851281542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040643.

The product of its digits is 76800, while the sum is 39.

The square root of 3851281542 is about 62058.6943304482. The cubic root of 3851281542 is about 1567.4790898925.

The spelling of 3851281542 in words is "three billion, eight hundred fifty-one million, two hundred eighty-one thousand, five hundred forty-two".