1381269167457 has 16 divisors (see below), whose sum is σ = 1848301863168. Its totient is φ = 917541651600.

The previous prime is 1381269167431. The next prime is 1381269167491. The reversal of 1381269167457 is 7547619621831.

It is a de Polignac number, because none of the positive numbers 2^k-1381269167457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1381269167457.

It is not an unprimeable number, because it can be changed into a prime (1381269167407) 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 15 ways as a sum of consecutive naturals, for example, 21399082 + ... + 21463532.

It is an arithmetic number, because the mean of its divisors is an integer number (115518866448).

Almost surely, 2^{1381269167457} is an apocalyptic number.

It is an amenable number.

1381269167457 is a deficient number, since it is larger than the sum of its proper divisors (467032695711).

1381269167457 is a wasteful number, since it uses less digits than its factorization.

1381269167457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89980.

The product of its digits is 15240960, while the sum is 60.

The spelling of 1381269167457 in words is "one trillion, three hundred eighty-one billion, two hundred sixty-nine million, one hundred sixty-seven thousand, four hundred fifty-seven".