2549653012 has 6 divisors (see below), whose sum is σ = 4461892778. Its totient is φ = 1274826504.

The previous prime is 2549652991. The next prime is 2549653027. The reversal of 2549653012 is 2103569452.

It can be written as a sum of positive squares in only one way, i.e., 2546817156 + 2835856 = 50466^2 + 1684^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 318706623 + ... + 318706630.

Almost surely, 2^2549653012 is an apocalyptic number.

It is an amenable number.

2549653012 is a deficient number, since it is larger than the sum of its proper divisors (1912239766).

2549653012 is a wasteful number, since it uses less digits than its factorization.

2549653012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637413257 (or 637413255 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2549653012 is about 50494.0888817691. The cubic root of 2549653012 is about 1366.1352373883.

The spelling of 2549653012 in words is "two billion, five hundred forty-nine million, six hundred fifty-three thousand, twelve".