2490243903 has 24 divisors (see below), whose sum is σ = 4123879968. Its totient is φ = 1418496192.

The previous prime is 2490243869. The next prime is 2490243923. The reversal of 2490243903 is 3093420942.

2490243903 is a `hidden beast` number, since 249 + 0 + 24 + 390 + 3 = 666.

It is not a de Polignac number, because 2490243903 - 2⁶ = 2490243839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490243923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42376 + ... + 82317.

It is an arithmetic number, because the mean of its divisors is an integer number (171828332).

Almost surely, 2^2490243903 is an apocalyptic number.

2490243903 is a deficient number, since it is larger than the sum of its proper divisors (1633636065).

2490243903 is a wasteful number, since it uses less digits than its factorization.

2490243903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125023 (or 125020 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 2490243903 is about 49902.3436623973. The cubic root of 2490243903 is about 1355.4410319820.

The spelling of 2490243903 in words is "two billion, four hundred ninety million, two hundred forty-three thousand, nine hundred three".