1431535272563 has 8 divisors (see below), whose sum is σ = 1561703347056. Its totient is φ = 1301371948800.

The previous prime is 1431535272551. The next prime is 1431535272619. The reversal of 1431535272563 is 3652725351341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1431535272563 - 2¹⁶ = 1431535207027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431535272523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542378 + ... + 1776863.

It is an arithmetic number, because the mean of its divisors is an integer number (195212918382).

Almost surely, 2^{1431535272563} is an apocalyptic number.

1431535272563 is a deficient number, since it is larger than the sum of its proper divisors (130168074493).

1431535272563 is a wasteful number, since it uses less digits than its factorization.

1431535272563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375365.

The product of its digits is 2268000, while the sum is 47.

The spelling of 1431535272563 in words is "one trillion, four hundred thirty-one billion, five hundred thirty-five million, two hundred seventy-two thousand, five hundred sixty-three".