2730437987 has 2 divisors, whose sum is σ = 2730437988. Its totient is φ = 2730437986.

The previous prime is 2730437929. The next prime is 2730438001. The reversal of 2730437987 is 7897340372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2730437987 - 2⁶ = 2730437923 is a prime.

It is a super-2 number, since 2×2730437987² = 14910583201705224338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2730437587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365218993 + 1365218994.

It is an arithmetic number, because the mean of its divisors is an integer number (1365218994).

Almost surely, 2^2730437987 is an apocalyptic number.

2730437987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730437987 is an equidigital number, since it uses as much as digits as its factorization.

2730437987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 2730437987 is about 52253.5930534925. The cubic root of 2730437987 is about 1397.6897248932.

The spelling of 2730437987 in words is "two billion, seven hundred thirty million, four hundred thirty-seven thousand, nine hundred eighty-seven".