671031621219 has 16 divisors (see below), whose sum is σ = 947738482560. Its totient is φ = 420861793920.

The previous prime is 671031621181. The next prime is 671031621251. The reversal of 671031621219 is 912126130176.

It is not a de Polignac number, because 671031621219 - 2¹⁶ = 671031555683 is a prime.

It is a super-2 number, since 2×671031621219² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671031621259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2653749 + ... + 2895590.

It is an arithmetic number, because the mean of its divisors is an integer number (59233655160).

Almost surely, 2^671031621219 is an apocalyptic number.

671031621219 is a deficient number, since it is larger than the sum of its proper divisors (276706861341).

671031621219 is a wasteful number, since it uses less digits than its factorization.

671031621219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551730.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 671031621219 in words is "six hundred seventy-one billion, thirty-one million, six hundred twenty-one thousand, two hundred nineteen".