7340129987 has 2 divisors, whose sum is σ = 7340129988. Its totient is φ = 7340129986.

The previous prime is 7340129911. The next prime is 7340130029. The reversal of 7340129987 is 7899210437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7340129987 - 2²⁰ = 7339081411 is a prime.

It is not a weakly prime, because it can be changed into another prime (7340129087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3670064993 + 3670064994.

It is an arithmetic number, because the mean of its divisors is an integer number (3670064994).

Almost surely, 2^7340129987 is an apocalyptic number.

7340129987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7340129987 is an equidigital number, since it uses as much as digits as its factorization.

7340129987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 7340129987 is about 85674.5585748768. The cubic root of 7340129987 is about 1943.4255899531.

The spelling of 7340129987 in words is "seven billion, three hundred forty million, one hundred twenty-nine thousand, nine hundred eighty-seven".