1902681630038 has 8 divisors (see below), whose sum is σ = 3261739937232. Its totient is φ = 815434984296.

The previous prime is 1902681629971. The next prime is 1902681630067. The reversal of 1902681630038 is 8300361862091.

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

It is a junction number, because it is equal to n+sod(n) for n = 1902681629974 and 1902681630001.

It is a congruent number.

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, 67952915345 + ... + 67952915372.

It is an arithmetic number, because the mean of its divisors is an integer number (407717492154).

Almost surely, 2^{1902681630038} is an apocalyptic number.

1902681630038 is a deficient number, since it is larger than the sum of its proper divisors (1359058307194).

1902681630038 is a wasteful number, since it uses less digits than its factorization.

1902681630038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135905830726.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 1902681630038 in words is "one trillion, nine hundred two billion, six hundred eighty-one million, six hundred thirty thousand, thirty-eight".