2487700042 has 4 divisors (see below), whose sum is σ = 3731550066. Its totient is φ = 1243850020.

The previous prime is 2487700009. The next prime is 2487700063. The reversal of 2487700042 is 2400077842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1475251281 + 1012448761 = 38409^2 + 31819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2487699980 and 2487700007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621925009 + ... + 621925012.

Almost surely, 2^2487700042 is an apocalyptic number.

2487700042 is a deficient number, since it is larger than the sum of its proper divisors (1243850024).

2487700042 is a wasteful number, since it uses less digits than its factorization.

2487700042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243850023.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 2487700042 is about 49876.8487577152. The cubic root of 2487700042 is about 1354.9793331180.

Adding to 2487700042 its reverse (2400077842), we get a palindrome (4887777884).

The spelling of 2487700042 in words is "two billion, four hundred eighty-seven million, seven hundred thousand, forty-two".