671419862493 has 8 divisors (see below), whose sum is σ = 947886864768. Its totient is φ = 421283050944.

The previous prime is 671419862441. The next prime is 671419862521. The reversal of 671419862493 is 394268914176.

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

It is not a de Polignac number, because 671419862493 - 2⁶ = 671419862429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671419860493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6582547621 + ... + 6582547722.

It is an arithmetic number, because the mean of its divisors is an integer number (118485858096).

Almost surely, 2^671419862493 is an apocalyptic number.

It is an amenable number.

671419862493 is a deficient number, since it is larger than the sum of its proper divisors (276467002275).

671419862493 is a wasteful number, since it uses less digits than its factorization.

671419862493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165095363.

The product of its digits is 15676416, while the sum is 60.

The spelling of 671419862493 in words is "six hundred seventy-one billion, four hundred nineteen million, eight hundred sixty-two thousand, four hundred ninety-three".