1351233571473 has 12 divisors (see below), whose sum is σ = 1958678584720. Its totient is φ = 897639261336.

The previous prime is 1351233571453. The next prime is 1351233571531. The reversal of 1351233571473 is 3741753321531.

1351233571473 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 2 + 3 + 3 + 571 + 4 + 73 = 666.

It is not a de Polignac number, because 1351233571473 - 2²¹ = 1351231474321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351233571453) 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 11 ways as a sum of consecutive naturals, for example, 265257283 + ... + 265262376.

Almost surely, 2^{1351233571473} is an apocalyptic number.

It is an amenable number.

1351233571473 is a deficient number, since it is larger than the sum of its proper divisors (607445013247).

1351233571473 is a wasteful number, since it uses less digits than its factorization.

1351233571473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530519948 (or 530519945 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The spelling of 1351233571473 in words is "one trillion, three hundred fifty-one billion, two hundred thirty-three million, five hundred seventy-one thousand, four hundred seventy-three".