15945347453 has 8 divisors (see below), whose sum is σ = 18224143872. Its totient is φ = 13666773456.

The previous prime is 15945347413. The next prime is 15945347477. The reversal of 15945347453 is 35474354951.

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

It is not a de Polignac number, because 15945347453 - 2¹⁶ = 15945281917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15945347413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147476 + ... + 231602.

It is an arithmetic number, because the mean of its divisors is an integer number (2278017984).

Almost surely, 2^15945347453 is an apocalyptic number.

It is an amenable number.

15945347453 is a deficient number, since it is larger than the sum of its proper divisors (2278796419).

15945347453 is an equidigital number, since it uses as much as digits as its factorization.

15945347453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111211.

The product of its digits is 4536000, while the sum is 50.

The spelling of 15945347453 in words is "fifteen billion, nine hundred forty-five million, three hundred forty-seven thousand, four hundred fifty-three".