2687142497 has 8 divisors (see below), whose sum is σ = 2905378560. Its totient is φ = 2470554000.

The previous prime is 2687142461. The next prime is 2687142499. The reversal of 2687142497 is 7942417862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2687142497 - 2¹⁸ = 2686880353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2687142499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408497 + ... + 415022.

It is an arithmetic number, because the mean of its divisors is an integer number (363172320).

Almost surely, 2^2687142497 is an apocalyptic number.

It is an amenable number.

2687142497 is a deficient number, since it is larger than the sum of its proper divisors (218236063).

2687142497 is a wasteful number, since it uses less digits than its factorization.

2687142497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823783.

The product of its digits is 1354752, while the sum is 50.

The square root of 2687142497 is about 51837.6552035294. The cubic root of 2687142497 is about 1390.2627898845.

The spelling of 2687142497 in words is "two billion, six hundred eighty-seven million, one hundred forty-two thousand, four hundred ninety-seven".