73553303073413 has 4 divisors (see below), whose sum is σ = 75118266968640. Its totient is φ = 71988339178188.

The previous prime is 73553303073403. The next prime is 73553303073493. The reversal of 73553303073413 is 31437030335537.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73553303073413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1564963895179 = 73553303073413 / (7 + 3 + 5 + 5 + 3 + 3 + 0 + 3 + 0 + 7 + 3 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73553303073403) 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, 782481947543 + ... + 782481947636.

It is an arithmetic number, because the mean of its divisors is an integer number (18779566742160).

Almost surely, 2^{73553303073413} is an apocalyptic number.

It is an amenable number.

73553303073413 is a deficient number, since it is larger than the sum of its proper divisors (1564963895227).

73553303073413 is a wasteful number, since it uses less digits than its factorization.

73553303073413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564963895226.

The product of its (nonzero) digits is 3572100, while the sum is 47.

The spelling of 73553303073413 in words is "seventy-three trillion, five hundred fifty-three billion, three hundred three million, seventy-three thousand, four hundred thirteen".