15673497479 has 4 divisors (see below), whose sum is σ = 15679277376. Its totient is φ = 15667717584.

The previous prime is 15673497439. The next prime is 15673497491. The reversal of 15673497479 is 97479437651.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15673497479 - 2²⁴ = 15656720263 is a prime.

It is a super-3 number, since 3×15673497479³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15673497439) 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 3 ways as a sum of consecutive naturals, for example, 2885879 + ... + 2891304.

It is an arithmetic number, because the mean of its divisors is an integer number (3919819344).

Almost surely, 2^15673497479 is an apocalyptic number.

15673497479 is a deficient number, since it is larger than the sum of its proper divisors (5779897).

15673497479 is an equidigital number, since it uses as much as digits as its factorization.

15673497479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779896.

The product of its digits is 40007520, while the sum is 62.

The spelling of 15673497479 in words is "fifteen billion, six hundred seventy-three million, four hundred ninety-seven thousand, four hundred seventy-nine".