12357645435 has 24 divisors (see below), whose sum is σ = 21501383904. Its totient is φ = 6565678080.

The previous prime is 12357645431. The next prime is 12357645437. The reversal of 12357645435 is 53454675321.

12357645435 is a `hidden beast` number, since 1 + 2 + 3 + 576 + 45 + 4 + 35 = 666.

12357645435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12357645435 - 2² = 12357645431 is a prime.

It is a super-2 number, since 2×12357645435² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12357645431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510246 + ... + 533915.

It is an arithmetic number, because the mean of its divisors is an integer number (895890996).

Almost surely, 2^12357645435 is an apocalyptic number.

12357645435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12357645435 is a deficient number, since it is larger than the sum of its proper divisors (9143738469).

12357645435 is a wasteful number, since it uses less digits than its factorization.

12357645435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044435 (or 1044432 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 12357645435 in words is "twelve billion, three hundred fifty-seven million, six hundred forty-five thousand, four hundred thirty-five".