13778394910 has 16 divisors (see below), whose sum is σ = 28344126816. Its totient is φ = 4724021088.

The previous prime is 13778394907. The next prime is 13778394911. The reversal of 13778394910 is 1949387731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13778394911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98417037 + ... + 98417176.

It is an arithmetic number, because the mean of its divisors is an integer number (1771507926).

Almost surely, 2^13778394910 is an apocalyptic number.

13778394910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13778394910 is an abundant number, since it is smaller than the sum of its proper divisors (14565731906).

13778394910 is a wasteful number, since it uses less digits than its factorization.

13778394910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196834227.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 13778394910 in words is "thirteen billion, seven hundred seventy-eight million, three hundred ninety-four thousand, nine hundred ten".