2137403503 has 4 divisors (see below), whose sum is σ = 2137951440. Its totient is φ = 2136855568.

The previous prime is 2137403497. The next prime is 2137403509. The reversal of 2137403503 is 3053047312.

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

It is an interprime number because it is at equal distance from previous prime (2137403497) and next prime (2137403509).

It is a cyclic number.

It is not a de Polignac number, because 2137403503 - 2⁹ = 2137402991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137403509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268075 + ... + 275932.

It is an arithmetic number, because the mean of its divisors is an integer number (534487860).

Almost surely, 2^2137403503 is an apocalyptic number.

2137403503 is a deficient number, since it is larger than the sum of its proper divisors (547937).

2137403503 is an equidigital number, since it uses as much as digits as its factorization.

2137403503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547936.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 2137403503 is about 46232.0614184572. The cubic root of 2137403503 is about 1288.1373480369.

The spelling of 2137403503 in words is "two billion, one hundred thirty-seven million, four hundred three thousand, five hundred three".