671927389101 has 12 divisors (see below), whose sum is σ = 1004029432380. Its totient is φ = 432504985920.

The previous prime is 671927389099. The next prime is 671927389169. The reversal of 671927389101 is 101983729176.

It is a happy number.

671927389101 is a `hidden beast` number, since 6 + 71 + 92 + 7 + 389 + 101 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 387226175625 + 284701213476 = 622275^2 + 533574^2 .

It is not a de Polignac number, because 671927389101 - 2¹ = 671927389099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671927389181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287216960 + ... + 1287217481.

It is an arithmetic number, because the mean of its divisors is an integer number (83669119365).

Almost surely, 2^671927389101 is an apocalyptic number.

It is an amenable number.

671927389101 is a deficient number, since it is larger than the sum of its proper divisors (332102043279).

671927389101 is a wasteful number, since it uses less digits than its factorization.

671927389101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574434476 (or 2574434473 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 671927389101 in words is "six hundred seventy-one billion, nine hundred twenty-seven million, three hundred eighty-nine thousand, one hundred one".