2101426503 has 32 divisors (see below), whose sum is σ = 3103985664. Its totient is φ = 1254000000.

The previous prime is 2101426501. The next prime is 2101426513. The reversal of 2101426503 is 3056241012.

It is not a de Polignac number, because 2101426503 - 2¹ = 2101426501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101426501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634953 + ... + 638253.

It is an arithmetic number, because the mean of its divisors is an integer number (96999552).

Almost surely, 2^2101426503 is an apocalyptic number.

2101426503 is a deficient number, since it is larger than the sum of its proper divisors (1002559161).

2101426503 is a wasteful number, since it uses less digits than its factorization.

2101426503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2101426503 is about 45841.3187310313. The cubic root of 2101426503 is about 1280.8690596775.

Adding to 2101426503 its reverse (3056241012), we get a palindrome (5157667515).

The spelling of 2101426503 in words is "two billion, one hundred one million, four hundred twenty-six thousand, five hundred three".