2102872067 has 2 divisors, whose sum is σ = 2102872068. Its totient is φ = 2102872066.

The previous prime is 2102872049. The next prime is 2102872081. The reversal of 2102872067 is 7602782012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102872067 - 2⁶ = 2102872003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102872567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051436033 + 1051436034.

It is an arithmetic number, because the mean of its divisors is an integer number (1051436034).

Almost surely, 2^2102872067 is an apocalyptic number.

2102872067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102872067 is an equidigital number, since it uses as much as digits as its factorization.

2102872067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2102872067 is about 45857.0830624888. The cubic root of 2102872067 is about 1281.1626941517.

The spelling of 2102872067 in words is "two billion, one hundred two million, eight hundred seventy-two thousand, sixty-seven".