1073649030729 has 16 divisors (see below), whose sum is σ = 1653534336960. Its totient is φ = 612420124160.

The previous prime is 1073649030667. The next prime is 1073649030739. The reversal of 1073649030729 is 9270309463701.

It is a cyclic number.

It is not a de Polignac number, because 1073649030729 - 2²⁰ = 1073647982153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1073649030739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956905884 + ... + 956907005.

It is an arithmetic number, because the mean of its divisors is an integer number (103345896060).

Almost surely, 2^{1073649030729} is an apocalyptic number.

It is an amenable number.

1073649030729 is a deficient number, since it is larger than the sum of its proper divisors (579885306231).

1073649030729 is a wasteful number, since it uses less digits than its factorization.

1073649030729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913812920.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 1073649030729 in words is "one trillion, seventy-three billion, six hundred forty-nine million, thirty thousand, seven hundred twenty-nine".