1544968036772 has 12 divisors (see below), whose sum is σ = 2704179244956. Its totient is φ = 772345395360.

The previous prime is 1544968036771. The next prime is 1544968036789. The reversal of 1544968036772 is 2776308694451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55801778176 + 1489166258596 = 236224^2 + 1220314^2 .

It is not an unprimeable number, because it can be changed into a prime (1544968036771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34630679 + ... + 34675262.

It is an arithmetic number, because the mean of its divisors is an integer number (225348270413).

It is a 1-persistent number, because it is pandigital, but 2⋅1544968036772 = 3089936073544 is not.

Almost surely, 2^{1544968036772} is an apocalyptic number.

It is an amenable number.

1544968036772 is a deficient number, since it is larger than the sum of its proper divisors (1159211208184).

1544968036772 is a wasteful number, since it uses less digits than its factorization.

1544968036772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69311518 (or 69311516 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 1544968036772 in words is "one trillion, five hundred forty-four billion, nine hundred sixty-eight million, thirty-six thousand, seven hundred seventy-two".