1513857649732 has 6 divisors (see below), whose sum is σ = 2649250887038. Its totient is φ = 756928824864.

The previous prime is 1513857649729. The next prime is 1513857649741. The reversal of 1513857649732 is 2379467583151.

It can be written as a sum of positive squares in only one way, i.e., 974611226176 + 539246423556 = 987224^2 + 734334^2 .

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, 189232206213 + ... + 189232206220.

Almost surely, 2^{1513857649732} is an apocalyptic number.

It is an amenable number.

1513857649732 is a deficient number, since it is larger than the sum of its proper divisors (1135393237306).

1513857649732 is a wasteful number, since it uses less digits than its factorization.

1513857649732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378464412437 (or 378464412435 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 61.

The spelling of 1513857649732 in words is "one trillion, five hundred thirteen billion, eight hundred fifty-seven million, six hundred forty-nine thousand, seven hundred thirty-two".