1306387657047 has 48 divisors (see below), whose sum is σ = 1986139008000. Its totient is φ = 762316779840.

The previous prime is 1306387657037. The next prime is 1306387657103. The reversal of 1306387657047 is 7407567836031.

It is not a de Polignac number, because 1306387657047 - 2⁴ = 1306387657031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306387657037) 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 47 ways as a sum of consecutive naturals, for example, 3606354 + ... + 3952032.

It is an arithmetic number, because the mean of its divisors is an integer number (41377896000).

Almost surely, 2^{1306387657047} is an apocalyptic number.

1306387657047 is a deficient number, since it is larger than the sum of its proper divisors (679751350953).

1306387657047 is a wasteful number, since it uses less digits than its factorization.

1306387657047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346092 (or 346081 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 1306387657047 in words is "one trillion, three hundred six billion, three hundred eighty-seven million, six hundred fifty-seven thousand, forty-seven".