1916875007 has 2 divisors, whose sum is σ = 1916875008. Its totient is φ = 1916875006.

The previous prime is 1916874991. The next prime is 1916875063. The reversal of 1916875007 is 7005786191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1916875007 - 2⁴ = 1916874991 is a prime.

It is a super-2 number, since 2×1916875007² = 7348819584922500098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1916875907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958437503 + 958437504.

It is an arithmetic number, because the mean of its divisors is an integer number (958437504).

Almost surely, 2^1916875007 is an apocalyptic number.

1916875007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916875007 is an equidigital number, since it uses as much as digits as its factorization.

1916875007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 1916875007 is about 43782.1311381710. The cubic root of 1916875007 is about 1242.2183251147.

The spelling of 1916875007 in words is "one billion, nine hundred sixteen million, eight hundred seventy-five thousand, seven".