3995218837802 has 4 divisors (see below), whose sum is σ = 5992828256706. Its totient is φ = 1997609418900.

The previous prime is 3995218837747. The next prime is 3995218837823. The reversal of 3995218837802 is 2087388125993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3828984054841 + 166234782961 = 1956779^2 + 407719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998804709449 + ... + 998804709452.

Almost surely, 2^{3995218837802} is an apocalyptic number.

3995218837802 is a deficient number, since it is larger than the sum of its proper divisors (1997609418904).

3995218837802 is a wasteful number, since it uses less digits than its factorization.

3995218837802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997609418903.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 3995218837802 in words is "three trillion, nine hundred ninety-five billion, two hundred eighteen million, eight hundred thirty-seven thousand, eight hundred two".