2671377997 has 2 divisors, whose sum is σ = 2671377998. Its totient is φ = 2671377996.

The previous prime is 2671377899. The next prime is 2671378013. The reversal of 2671377997 is 7997731762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2463037641 + 208340356 = 49629^2 + 14434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2671377997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2671375997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335688998 + 1335688999.

It is an arithmetic number, because the mean of its divisors is an integer number (1335688999).

Almost surely, 2^2671377997 is an apocalyptic number.

It is an amenable number.

2671377997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671377997 is an equidigital number, since it uses as much as digits as its factorization.

2671377997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7001316, while the sum is 58.

The square root of 2671377997 is about 51685.3750784494. The cubic root of 2671377997 is about 1387.5387317273.

The spelling of 2671377997 in words is "two billion, six hundred seventy-one million, three hundred seventy-seven thousand, nine hundred ninety-seven".