13970641428 has 48 divisors (see below), whose sum is σ = 36236699520. Its totient is φ = 4654756800.

The previous prime is 13970641427. The next prime is 13970641441. The reversal of 13970641428 is 82414607931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970641427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217993 + ... + 274703.

It is an arithmetic number, because the mean of its divisors is an integer number (754931240).

Almost surely, 2^13970641428 is an apocalyptic number.

13970641428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13970641428 is an abundant number, since it is smaller than the sum of its proper divisors (22266058092).

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

13970641428 is a wasteful number, since it uses less digits than its factorization.

13970641428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59005 (or 58997 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13970641428 in words is "thirteen billion, nine hundred seventy million, six hundred forty-one thousand, four hundred twenty-eight".