4945122887 has 2 divisors, whose sum is σ = 4945122888. Its totient is φ = 4945122886.

The previous prime is 4945122841. The next prime is 4945122899. The reversal of 4945122887 is 7882215494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4945122887 - 2¹⁴ = 4945106503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4945122817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472561443 + 2472561444.

It is an arithmetic number, because the mean of its divisors is an integer number (2472561444).

Almost surely, 2^4945122887 is an apocalyptic number.

4945122887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4945122887 is an equidigital number, since it uses as much as digits as its factorization.

4945122887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 50.

The square root of 4945122887 is about 70321.5677228544. The cubic root of 4945122887 is about 1703.6970161516.

The spelling of 4945122887 in words is "four billion, nine hundred forty-five million, one hundred twenty-two thousand, eight hundred eighty-seven".