1999100107 has 2 divisors, whose sum is σ = 1999100108. Its totient is φ = 1999100106.

The previous prime is 1999100101. The next prime is 1999100119. The reversal of 1999100107 is 7010019991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1999100107 - 2⁷ = 1999099979 is a prime.

It is a super-2 number, since 2×1999100107² = 7992802475614822898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1999100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999550053 + 999550054.

It is an arithmetic number, because the mean of its divisors is an integer number (999550054).

Almost surely, 2^1999100107 is an apocalyptic number.

1999100107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1999100107 is an equidigital number, since it uses as much as digits as its factorization.

1999100107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 1999100107 is about 44711.2973083985. The cubic root of 1999100107 is about 1259.7320558574.

The spelling of 1999100107 in words is "one billion, nine hundred ninety-nine million, one hundred thousand, one hundred seven".