1439749964764 has 24 divisors (see below), whose sum is σ = 2526415892000. Its totient is φ = 717918301440.

The previous prime is 1439749964693. The next prime is 1439749964777. The reversal of 1439749964764 is 4674699479341.

It is a happy number.

It is a super-2 number, since 2×1439749964764² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825712 + ... + 4185160.

Almost surely, 2^{1439749964764} is an apocalyptic number.

It is an amenable number.

1439749964764 is a deficient number, since it is larger than the sum of its proper divisors (1086665927236).

1439749964764 is a wasteful number, since it uses less digits than its factorization.

1439749964764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362173 (or 362171 counting only the distinct ones).

The product of its digits is 987614208, while the sum is 73.

The spelling of 1439749964764 in words is "one trillion, four hundred thirty-nine billion, seven hundred forty-nine million, nine hundred sixty-four thousand, seven hundred sixty-four".