2475143987 has 16 divisors (see below), whose sum is σ = 2552325600. Its totient is φ = 2399362560.

The previous prime is 2475143959. The next prime is 2475144037. The reversal of 2475143987 is 7893415742.

It is a cyclic number.

It is not a de Polignac number, because 2475143987 - 2¹⁶ = 2475078451 is a prime.

It is a super-2 number, since 2×2475143987² = 12252675512764512338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2475143087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549073 + ... + 1550669.

It is an arithmetic number, because the mean of its divisors is an integer number (159520350).

Almost surely, 2^2475143987 is an apocalyptic number.

2475143987 is a deficient number, since it is larger than the sum of its proper divisors (77181613).

2475143987 is a wasteful number, since it uses less digits than its factorization.

2475143987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006.

The product of its digits is 1693440, while the sum is 50.

The square root of 2475143987 is about 49750.8189580835. The cubic root of 2475143987 is about 1352.6958452132.

The spelling of 2475143987 in words is "two billion, four hundred seventy-five million, one hundred forty-three thousand, nine hundred eighty-seven".