1363432421 has 8 divisors (see below), whose sum is σ = 1515677184. Its totient is φ = 1217954160.

The previous prime is 1363432417. The next prime is 1363432423. The reversal of 1363432421 is 1242343631.

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

It is a cyclic number.

It is not a de Polignac number, because 1363432421 - 2² = 1363432417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363432423) 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, 1691201 + ... + 1692006.

It is an arithmetic number, because the mean of its divisors is an integer number (189459648).

Almost surely, 2^1363432421 is an apocalyptic number.

It is an amenable number.

1363432421 is a deficient number, since it is larger than the sum of its proper divisors (152244763).

1363432421 is a wasteful number, since it uses less digits than its factorization.

1363432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383251.

The product of its digits is 10368, while the sum is 29.

The square root of 1363432421 is about 36924.6857941946. The cubic root of 1363432421 is about 1108.8629486677.

The spelling of 1363432421 in words is "one billion, three hundred sixty-three million, four hundred thirty-two thousand, four hundred twenty-one".