3701821684392 has 48 divisors (see below), whose sum is σ = 10796979915540. Its totient is φ = 1139022056448.

The previous prime is 3701821684339. The next prime is 3701821684399. The reversal of 3701821684392 is 2934861281073.

It is a happy number.

3701821684392 is a `hidden beast` number, since 3 + 70 + 1 + 82 + 1 + 68 + 439 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3557395843236 + 144425841156 = 1886106^2 + 380034^2 .

It is not an unprimeable number, because it can be changed into a prime (3701821684399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1977467913 + ... + 1977469784.

Almost surely, 2^{3701821684392} is an apocalyptic number.

It is an amenable number.

3701821684392 is an abundant number, since it is smaller than the sum of its proper divisors (7095158231148).

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

3701821684392 is a wasteful number, since it uses less digits than its factorization.

3701821684392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954937722 (or 3954937715 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 3701821684392 in words is "three trillion, seven hundred one billion, eight hundred twenty-one million, six hundred eighty-four thousand, three hundred ninety-two".