13543434490 has 32 divisors (see below), whose sum is σ = 25046547840. Its totient is φ = 5268959424.

The previous prime is 13543434481. The next prime is 13543434491. The reversal of 13543434490 is 9443434531.

It is not an unprimeable number, because it can be changed into a prime (13543434491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304259 + ... + 1314601.

It is an arithmetic number, because the mean of its divisors is an integer number (782704620).

Almost surely, 2^13543434490 is an apocalyptic number.

13543434490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13543434490 is a deficient number, since it is larger than the sum of its proper divisors (11503113350).

13543434490 is a wasteful number, since it uses less digits than its factorization.

13543434490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 13543434490 in words is "thirteen billion, five hundred forty-three million, four hundred thirty-four thousand, four hundred ninety".