12435417903 has 16 divisors (see below), whose sum is σ = 17144064000. Its totient is φ = 8009420640.

The previous prime is 12435417871. The next prime is 12435417923. The reversal of 12435417903 is 30971453421.

It is not a de Polignac number, because 12435417903 - 2⁵ = 12435417871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435417923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55908 + ... + 167321.

It is an arithmetic number, because the mean of its divisors is an integer number (1071504000).

Almost surely, 2^12435417903 is an apocalyptic number.

12435417903 is a deficient number, since it is larger than the sum of its proper divisors (4708646097).

12435417903 is a wasteful number, since it uses less digits than its factorization.

12435417903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223862.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 12435417903 in words is "twelve billion, four hundred thirty-five million, four hundred seventeen thousand, nine hundred three".