1369993338 has 80 divisors (see below), whose sum is σ = 3514769280. Its totient is φ = 390710304.

The previous prime is 1369993319. The next prime is 1369993349. The reversal of 1369993338 is 8333999631.

1369993338 is a `hidden beast` number, since 136 + 99 + 93 + 338 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1114108 + ... + 1115336.

It is an arithmetic number, because the mean of its divisors is an integer number (43934616).

Almost surely, 2^1369993338 is an apocalyptic number.

1369993338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369993338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757384640).

1369993338 is an abundant number, since it is smaller than the sum of its proper divisors (2144775942).

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

1369993338 is a wasteful number, since it uses less digits than its factorization.

1369993338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2224 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 1369993338 is about 37013.4210523696. The cubic root of 1369993338 is about 1110.6387412092.

The spelling of 1369993338 in words is "one billion, three hundred sixty-nine million, nine hundred ninety-three thousand, three hundred thirty-eight".