673441665355 has 8 divisors (see below), whose sum is σ = 808137522864. Its totient is φ = 538748316000.

The previous prime is 673441665349. The next prime is 673441665373. The reversal of 673441665355 is 553566144376.

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

It is not a de Polignac number, because 673441665355 - 2²¹ = 673439568203 is a prime.

It is a super-2 number, since 2×673441665355² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673441665296 and 673441665305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25380 + ... + 1160830.

It is an arithmetic number, because the mean of its divisors is an integer number (101017190358).

Almost surely, 2^673441665355 is an apocalyptic number.

673441665355 is a deficient number, since it is larger than the sum of its proper divisors (134695857509).

673441665355 is a wasteful number, since it uses less digits than its factorization.

673441665355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254077.

The product of its digits is 27216000, while the sum is 55.

The spelling of 673441665355 in words is "six hundred seventy-three billion, four hundred forty-one million, six hundred sixty-five thousand, three hundred fifty-five".