13402043043 has 8 divisors (see below), whose sum is σ = 17870614608. Its totient is φ = 8934083424.

The previous prime is 13402043021. The next prime is 13402043087. The reversal of 13402043043 is 34034020431.

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

It is not a de Polignac number, because 13402043043 - 2¹⁰ = 13402042019 is a prime.

It is a super-2 number, since 2×13402043043² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13402041043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99180 + ... + 191417.

It is an arithmetic number, because the mean of its divisors is an integer number (2233826826).

Almost surely, 2^13402043043 is an apocalyptic number.

13402043043 is a deficient number, since it is larger than the sum of its proper divisors (4468571565).

13402043043 is a wasteful number, since it uses less digits than its factorization.

13402043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305973.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13402043043 its reverse (34034020431), we get a palindrome (47436063474).

The spelling of 13402043043 in words is "thirteen billion, four hundred two million, forty-three thousand, forty-three".