12539464350 has 432 divisors, whose sum is σ = 39918409344. Its totient is φ = 2549836800.

The previous prime is 12539464297. The next prime is 12539464417. The reversal of 12539464350 is 5346493521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 291615429 + ... + 291615471.

Almost surely, 2^12539464350 is an apocalyptic number.

12539464350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12539464350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19959204672).

12539464350 is an abundant number, since it is smaller than the sum of its proper divisors (27378944994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12539464350 is a wasteful number, since it uses less digits than its factorization.

12539464350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 12539464350 in words is "twelve billion, five hundred thirty-nine million, four hundred sixty-four thousand, three hundred fifty".