2671377993 has 6 divisors (see below), whose sum is σ = 3858657114. Its totient is φ = 1780918656.

The previous prime is 2671377899. The next prime is 2671377997. The reversal of 2671377993 is 3997731762.

It is a happy number.

2671377993 is a `hidden beast` number, since 267 + 1 + 377 + 9 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2341301769 + 330076224 = 48387^2 + 18168^2 .

It is not a de Polignac number, because 2671377993 - 2¹⁰ = 2671376969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2671377997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148409880 + ... + 148409897.

It is an arithmetic number, because the mean of its divisors is an integer number (643109519).

Almost surely, 2^2671377993 is an apocalyptic number.

It is an amenable number.

2671377993 is a deficient number, since it is larger than the sum of its proper divisors (1187279121).

2671377993 is a wasteful number, since it uses less digits than its factorization.

2671377993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296819783 (or 296819780 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 54.

The square root of 2671377993 is about 51685.3750397538. The cubic root of 2671377993 is about 1387.5387310347.

The spelling of 2671377993 in words is "two billion, six hundred seventy-one million, three hundred seventy-seven thousand, nine hundred ninety-three".