15434454453 has 16 divisors (see below), whose sum is σ = 22621496832. Its totient is φ = 9282806000.

The previous prime is 15434454421. The next prime is 15434454463. The reversal of 15434454453 is 35445443451.

It is a cyclic number.

It is not a de Polignac number, because 15434454453 - 2⁵ = 15434454421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434454463) 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, 1780833 + ... + 1789478.

It is an arithmetic number, because the mean of its divisors is an integer number (1413843552).

Almost surely, 2^15434454453 is an apocalyptic number.

It is an amenable number.

15434454453 is a deficient number, since it is larger than the sum of its proper divisors (7187042379).

15434454453 is a wasteful number, since it uses less digits than its factorization.

15434454453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570456.

The product of its digits is 1152000, while the sum is 42.

The spelling of 15434454453 in words is "fifteen billion, four hundred thirty-four million, four hundred fifty-four thousand, four hundred fifty-three".