1673420081547 has 8 divisors (see below), whose sum is σ = 2308165629840. Its totient is φ = 1077143960480.

The previous prime is 1673420081537. The next prime is 1673420081561. The reversal of 1673420081547 is 7451800243761.

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

It is a cyclic number.

It is not a de Polignac number, because 1673420081547 - 2¹⁶ = 1673420016011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1673420081496 and 1673420081505.

It is not an unprimeable number, because it can be changed into a prime (1673420081537) 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, 9617356704 + ... + 9617356877.

It is an arithmetic number, because the mean of its divisors is an integer number (288520703730).

Almost surely, 2^{1673420081547} is an apocalyptic number.

1673420081547 is a deficient number, since it is larger than the sum of its proper divisors (634745548293).

1673420081547 is a wasteful number, since it uses less digits than its factorization.

1673420081547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19234713613.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 1673420081547 in words is "one trillion, six hundred seventy-three billion, four hundred twenty million, eighty-one thousand, five hundred forty-seven".