8469142999 has 2 divisors, whose sum is σ = 8469143000. Its totient is φ = 8469142998.

The previous prime is 8469142987. The next prime is 8469143017. The reversal of 8469142999 is 9992419648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8469142999 - 2¹¹ = 8469140951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8469142699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234571499 + 4234571500.

It is an arithmetic number, because the mean of its divisors is an integer number (4234571500).

Almost surely, 2^8469142999 is an apocalyptic number.

8469142999 is a deficient number, since it is larger than the sum of its proper divisors (1).

8469142999 is an equidigital number, since it uses as much as digits as its factorization.

8469142999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10077696, while the sum is 61.

The square root of 8469142999 is about 92027.9468368169. The cubic root of 8469142999 is about 2038.3549950723.

The spelling of 8469142999 in words is "eight billion, four hundred sixty-nine million, one hundred forty-two thousand, nine hundred ninety-nine".