2126642503 has 2 divisors, whose sum is σ = 2126642504. Its totient is φ = 2126642502.

The previous prime is 2126642477. The next prime is 2126642509. The reversal of 2126642503 is 3052466212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126642503 - 2⁹ = 2126641991 is a prime.

It is a super-3 number, since 3×2126642503³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126642509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063321251 + 1063321252.

It is an arithmetic number, because the mean of its divisors is an integer number (1063321252).

Almost surely, 2^2126642503 is an apocalyptic number.

2126642503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126642503 is an equidigital number, since it uses as much as digits as its factorization.

2126642503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2126642503 is about 46115.5342916029. The cubic root of 2126642503 is about 1285.9719521966.

The spelling of 2126642503 in words is "two billion, one hundred twenty-six million, six hundred forty-two thousand, five hundred three".