673454691542 has 8 divisors (see below), whose sum is σ = 1010266206096. Its totient is φ = 336699289512.

The previous prime is 673454691517. The next prime is 673454691577. The reversal of 673454691542 is 245196454376.

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

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 3 ways as a sum of consecutive naturals, for example, 13998113 + ... + 14046140.

It is an arithmetic number, because the mean of its divisors is an integer number (126283275762).

Almost surely, 2^673454691542 is an apocalyptic number.

673454691542 is a deficient number, since it is larger than the sum of its proper divisors (336811514554).

673454691542 is a wasteful number, since it uses less digits than its factorization.

673454691542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28056262.

The product of its digits is 21772800, while the sum is 56.

The spelling of 673454691542 in words is "six hundred seventy-three billion, four hundred fifty-four million, six hundred ninety-one thousand, five hundred forty-two".