7734557373013 has 4 divisors (see below), whose sum is σ = 7747093123020. Its totient is φ = 7722021623008.

The previous prime is 7734557372939. The next prime is 7734557373029. The reversal of 7734557373013 is 3103737554377.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4452108440004 + 3282448933009 = 2110002^2 + 1811753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7734557373013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7734557373073) 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, 6267874078 + ... + 6267875311.

It is an arithmetic number, because the mean of its divisors is an integer number (1936773280755).

Almost surely, 2^{7734557373013} is an apocalyptic number.

It is an amenable number.

7734557373013 is a deficient number, since it is larger than the sum of its proper divisors (12535750007).

7734557373013 is a wasteful number, since it uses less digits than its factorization.

7734557373013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12535750006.

The product of its (nonzero) digits is 19448100, while the sum is 55.

The spelling of 7734557373013 in words is "seven trillion, seven hundred thirty-four billion, five hundred fifty-seven million, three hundred seventy-three thousand, thirteen".