1431744704644 has 6 divisors (see below), whose sum is σ = 2505553233134. Its totient is φ = 715872352320.

The previous prime is 1431744704629. The next prime is 1431744704657. The reversal of 1431744704644 is 4464074471341.

It can be written as a sum of positive squares in only one way, i.e., 1290127962244 + 141616742400 = 1135838^2 + 376320^2 .

It is a super-2 number, since 2×1431744704644² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178968088077 + ... + 178968088084.

Almost surely, 2^{1431744704644} is an apocalyptic number.

It is an amenable number.

1431744704644 is a deficient number, since it is larger than the sum of its proper divisors (1073808528490).

1431744704644 is a wasteful number, since it uses less digits than its factorization.

1431744704644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357936176165 (or 357936176163 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 1431744704644 in words is "one trillion, four hundred thirty-one billion, seven hundred forty-four million, seven hundred four thousand, six hundred forty-four".