1368693432 has 24 divisors (see below), whose sum is σ = 3706878240. Its totient is φ = 456231120.

The previous prime is 1368693427. The next prime is 1368693449. The reversal of 1368693432 is 2343968631.

1368693432 is a `hidden beast` number, since 136 + 86 + 9 + 3 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9504744 + ... + 9504887.

It is an arithmetic number, because the mean of its divisors is an integer number (154453260).

Almost surely, 2^1368693432 is an apocalyptic number.

1368693432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1368693432 is an abundant number, since it is smaller than the sum of its proper divisors (2338184808).

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

1368693432 is a wasteful number, since it uses less digits than its factorization.

1368693432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009643 (or 19009636 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1368693432 is about 36995.8569572324. The cubic root of 1368693432 is about 1110.2873568176.

The spelling of 1368693432 in words is "one billion, three hundred sixty-eight million, six hundred ninety-three thousand, four hundred thirty-two".