2106950399 has 2 divisors, whose sum is σ = 2106950400. Its totient is φ = 2106950398.

The previous prime is 2106950359. The next prime is 2106950473. The reversal of 2106950399 is 9930596012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106950399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106950359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053475199 + 1053475200.

It is an arithmetic number, because the mean of its divisors is an integer number (1053475200).

Almost surely, 2^2106950399 is an apocalyptic number.

2106950399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106950399 is an equidigital number, since it uses as much as digits as its factorization.

2106950399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 2106950399 is about 45901.5293753923. The cubic root of 2106950399 is about 1281.9903927262.

The spelling of 2106950399 in words is "two billion, one hundred six million, nine hundred fifty thousand, three hundred ninety-nine".