1309016247938 has 16 divisors (see below), whose sum is σ = 2244381229440. Its totient is φ = 560918619456.

The previous prime is 1309016247923. The next prime is 1309016247989. The reversal of 1309016247938 is 8397426109031.

It is a self number, because there is not a number n which added to its sum of digits gives 1309016247938.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7269878 + ... + 7447761.

It is an arithmetic number, because the mean of its divisors is an integer number (140273826840).

Almost surely, 2^{1309016247938} is an apocalyptic number.

1309016247938 is a deficient number, since it is larger than the sum of its proper divisors (935364981502).

1309016247938 is a wasteful number, since it uses less digits than its factorization.

1309016247938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724001.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 1309016247938 in words is "one trillion, three hundred nine billion, sixteen million, two hundred forty-seven thousand, nine hundred thirty-eight".