673724157427019 has 8 divisors (see below), whose sum is σ = 676757016778752. Its totient is φ = 670691402314920.

The previous prime is 673724157426989. The next prime is 673724157427021. The reversal of 673724157427019 is 910724751427376.

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 673724157427019 - 2¹² = 673724157422923 is a prime.

It is a super-2 number, since 2×673724157427019² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673724157427039) 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, 13089869 + ... + 38971694.

It is an arithmetic number, because the mean of its divisors is an integer number (84594627097344).

Almost surely, 2^{673724157427019} is an apocalyptic number.

673724157427019 is a deficient number, since it is larger than the sum of its proper divisors (3032859351733).

673724157427019 is a wasteful number, since it uses less digits than its factorization.

673724157427019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52119817.

The product of its (nonzero) digits is 124467840, while the sum is 65.

The spelling of 673724157427019 in words is "six hundred seventy-three trillion, seven hundred twenty-four billion, one hundred fifty-seven million, four hundred twenty-seven thousand, nineteen".