3721634682938 has 8 divisors (see below), whose sum is σ = 5825167329888. Its totient is φ = 1779912239644.

The previous prime is 3721634682923. The next prime is 3721634682947. The reversal of 3721634682938 is 8392864361273.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40452550856 + ... + 40452550947.

It is an arithmetic number, because the mean of its divisors is an integer number (728145916236).

Almost surely, 2^{3721634682938} is an apocalyptic number.

3721634682938 is a deficient number, since it is larger than the sum of its proper divisors (2103532646950).

3721634682938 is a wasteful number, since it uses less digits than its factorization.

3721634682938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80905101828.

The product of its digits is 62705664, while the sum is 62.

The spelling of 3721634682938 in words is "three trillion, seven hundred twenty-one billion, six hundred thirty-four million, six hundred eighty-two thousand, nine hundred thirty-eight".