2102406937 has 2 divisors, whose sum is σ = 2102406938. Its totient is φ = 2102406936.

The previous prime is 2102406899. The next prime is 2102406967. The reversal of 2102406937 is 7396042012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1698758656 + 403648281 = 41216^2 + 20091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102406937 is a prime.

It is a super-2 number, since 2×2102406937² = 8840229857491443938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102406967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051203468 + 1051203469.

It is an arithmetic number, because the mean of its divisors is an integer number (1051203469).

Almost surely, 2^2102406937 is an apocalyptic number.

It is an amenable number.

2102406937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102406937 is an equidigital number, since it uses as much as digits as its factorization.

2102406937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2102406937 is about 45852.0112645018. The cubic root of 2102406937 is about 1281.0682279287.

Adding to 2102406937 its reverse (7396042012), we get a palindrome (9498448949).

The spelling of 2102406937 in words is "two billion, one hundred two million, four hundred six thousand, nine hundred thirty-seven".