2130683977 has 2 divisors, whose sum is σ = 2130683978. Its totient is φ = 2130683976.

The previous prime is 2130683917. The next prime is 2130683993. The reversal of 2130683977 is 7793860312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1358733321 + 771950656 = 36861^2 + 27784^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130683977 - 2²³ = 2122295369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130683917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065341988 + 1065341989.

It is an arithmetic number, because the mean of its divisors is an integer number (1065341989).

Almost surely, 2^2130683977 is an apocalyptic number.

It is an amenable number.

2130683977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130683977 is an equidigital number, since it uses as much as digits as its factorization.

2130683977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 2130683977 is about 46159.3325016729. The cubic root of 2130683977 is about 1286.7860575928.

The spelling of 2130683977 in words is "two billion, one hundred thirty million, six hundred eighty-three thousand, nine hundred seventy-seven".