1438535748568 has 8 divisors (see below), whose sum is σ = 2697254528580. Its totient is φ = 719267874280.

The previous prime is 1438535748547. The next prime is 1438535748571. The reversal of 1438535748568 is 8658475358341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1438535748568³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89908484278 + ... + 89908484293.

Almost surely, 2^{1438535748568} is an apocalyptic number.

It is an amenable number.

1438535748568 is a deficient number, since it is larger than the sum of its proper divisors (1258718780012).

1438535748568 is a wasteful number, since it uses less digits than its factorization.

1438535748568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179816968577 (or 179816968573 counting only the distinct ones).

The product of its digits is 387072000, while the sum is 67.

The spelling of 1438535748568 in words is "one trillion, four hundred thirty-eight billion, five hundred thirty-five million, seven hundred forty-eight thousand, five hundred sixty-eight".