1351633473273 has 32 divisors (see below), whose sum is σ = 2055383949312. Its totient is φ = 785042438400.

The previous prime is 1351633473247. The next prime is 1351633473277. The reversal of 1351633473273 is 3723743361531.

It is a happy number.

It is not a de Polignac number, because 1351633473273 - 2¹⁴ = 1351633456889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351633473277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18548923 + ... + 18621648.

It is an arithmetic number, because the mean of its divisors is an integer number (64230748416).

Almost surely, 2^{1351633473273} is an apocalyptic number.

It is an amenable number.

1351633473273 is a deficient number, since it is larger than the sum of its proper divisors (703750476039).

1351633473273 is a wasteful number, since it uses less digits than its factorization.

1351633473273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37170645.

The product of its digits is 2857680, while the sum is 48.

The spelling of 1351633473273 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred seventy-three thousand, two hundred seventy-three".