3651381382 has 8 divisors (see below), whose sum is σ = 5974987752. Its totient is φ = 1659718800.

The previous prime is 3651381367. The next prime is 3651381451. The reversal of 3651381382 is 2831831563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82985919 + ... + 82985962.

It is an arithmetic number, because the mean of its divisors is an integer number (746873469).

Almost surely, 2^3651381382 is an apocalyptic number.

3651381382 is a deficient number, since it is larger than the sum of its proper divisors (2323606370).

3651381382 is a wasteful number, since it uses less digits than its factorization.

3651381382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165971894.

The product of its digits is 103680, while the sum is 40.

The square root of 3651381382 is about 60426.6611852748. The cubic root of 3651381382 is about 1539.8759362022.

The spelling of 3651381382 in words is "three billion, six hundred fifty-one million, three hundred eighty-one thousand, three hundred eighty-two".