3821975801142 has 16 divisors (see below), whose sum is σ = 7647459637440. Its totient is φ = 1273407261192.

The previous prime is 3821975801123. The next prime is 3821975801191. The reversal of 3821975801142 is 2411085791283.

It is a happy number.

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, 146153968 + ... + 146180115.

It is an arithmetic number, because the mean of its divisors is an integer number (477966227340).

Almost surely, 2^{3821975801142} is an apocalyptic number.

3821975801142 is an abundant number, since it is smaller than the sum of its proper divisors (3825483836298).

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

3821975801142 is a wasteful number, since it uses less digits than its factorization.

3821975801142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292336267.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 3821975801142 in words is "three trillion, eight hundred twenty-one billion, nine hundred seventy-five million, eight hundred one thousand, one hundred forty-two".