1391713763850 has 144 divisors (see below), whose sum is σ = 3759408132480. Its totient is φ = 369109440000.

The previous prime is 1391713763831. The next prime is 1391713763887. The reversal of 1391713763850 is 583673171931.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 81202482 + ... + 81219618.

It is an arithmetic number, because the mean of its divisors is an integer number (26107000920).

Almost surely, 2^{1391713763850} is an apocalyptic number.

1391713763850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1391713763850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879704066240).

1391713763850 is an abundant number, since it is smaller than the sum of its proper divisors (2367694368630).

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

1391713763850 is a wasteful number, since it uses less digits than its factorization.

1391713763850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18125 (or 18117 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 1391713763850 in words is "one trillion, three hundred ninety-one billion, seven hundred thirteen million, seven hundred sixty-three thousand, eight hundred fifty".