1431719172872 has 16 divisors (see below), whose sum is σ = 2684545290240. Its totient is φ = 715840428816.

The previous prime is 1431719172859. The next prime is 1431719172931. The reversal of 1431719172872 is 2782719171341.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2074568 + ... + 2677175.

It is an arithmetic number, because the mean of its divisors is an integer number (167784080640).

Almost surely, 2^{1431719172872} is an apocalyptic number.

It is an amenable number.

1431719172872 is a deficient number, since it is larger than the sum of its proper divisors (1252826117368).

1431719172872 is a wasteful number, since it uses less digits than its factorization.

1431719172872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789412 (or 4789408 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 53.

The spelling of 1431719172872 in words is "one trillion, four hundred thirty-one billion, seven hundred nineteen million, one hundred seventy-two thousand, eight hundred seventy-two".