15453472734 has 48 divisors (see below), whose sum is σ = 39683000448. Its totient is φ = 4415276952.

The previous prime is 15453472709. The next prime is 15453472747. The reversal of 15453472734 is 43727435451.

It is a happy number.

15453472734 is a `hidden beast` number, since 1 + 545 + 3 + 4 + 72 + 7 + 34 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15453472734.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2267832 + ... + 2274635.

It is an arithmetic number, because the mean of its divisors is an integer number (826729176).

Almost surely, 2^15453472734 is an apocalyptic number.

15453472734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15453472734 is an abundant number, since it is smaller than the sum of its proper divisors (24229527714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15453472734 is an equidigital number, since it uses as much as digits as its factorization.

15453472734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542491 (or 4542479 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 45.

The spelling of 15453472734 in words is "fifteen billion, four hundred fifty-three million, four hundred seventy-two thousand, seven hundred thirty-four".