309968429403 has 32 divisors (see below), whose sum is σ = 427137972480. Its totient is φ = 199796077440.

The previous prime is 309968429389. The next prime is 309968429429. The reversal of 309968429403 is 304924869903.

It is a happy number.

It is not a de Polignac number, because 309968429403 - 2⁵ = 309968429371 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (309968422403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13620208 + ... + 13642946.

It is an arithmetic number, because the mean of its divisors is an integer number (13348061640).

Almost surely, 2^309968429403 is an apocalyptic number.

309968429403 is a deficient number, since it is larger than the sum of its proper divisors (117169543077).

309968429403 is a wasteful number, since it uses less digits than its factorization.

309968429403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23547.

The product of its (nonzero) digits is 10077696, while the sum is 57.

The spelling of 309968429403 in words is "three hundred nine billion, nine hundred sixty-eight million, four hundred twenty-nine thousand, four hundred three".