1371509479445 has 16 divisors (see below), whose sum is σ = 1882243608960. Its totient is φ = 939805481664.

The previous prime is 1371509479421. The next prime is 1371509479447. The reversal of 1371509479445 is 5449749051731.

It is not a de Polignac number, because 1371509479445 - 2¹⁰ = 1371509478421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371509479447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13660967 + ... + 13760996.

It is an arithmetic number, because the mean of its divisors is an integer number (117640225560).

Almost surely, 2^{1371509479445} is an apocalyptic number.

It is an amenable number.

1371509479445 is a deficient number, since it is larger than the sum of its proper divisors (510734129515).

1371509479445 is a wasteful number, since it uses less digits than its factorization.

1371509479445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27423404.

The product of its (nonzero) digits is 19051200, while the sum is 59.

The spelling of 1371509479445 in words is "one trillion, three hundred seventy-one billion, five hundred nine million, four hundred seventy-nine thousand, four hundred forty-five".