13401431433 has 48 divisors (see below), whose sum is σ = 21354278400. Its totient is φ = 8047285632.

The previous prime is 13401431429. The next prime is 13401431437. The reversal of 13401431433 is 33413410431.

13401431433 is a `hidden beast` number, since 1 + 340 + 1 + 4 + 314 + 3 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (13401431429) and next prime (13401431437).

It is not a de Polignac number, because 13401431433 - 2² = 13401431429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13401431397 and 13401431406.

It is not an unprimeable number, because it can be changed into a prime (13401431437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1915660 + ... + 1922642.

It is an arithmetic number, because the mean of its divisors is an integer number (444880800).

Almost surely, 2^13401431433 is an apocalyptic number.

13401431433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13401431433 is a deficient number, since it is larger than the sum of its proper divisors (7952846967).

13401431433 is a wasteful number, since it uses less digits than its factorization.

13401431433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7398 (or 7395 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13401431433 its reverse (33413410431), we get a palindrome (46814841864).

The spelling of 13401431433 in words is "thirteen billion, four hundred one million, four hundred thirty-one thousand, four hundred thirty-three".