4793145391081 has 4 divisors (see below), whose sum is σ = 4904613888592. Its totient is φ = 4681676893572.

The previous prime is 4793145391063. The next prime is 4793145391127. The reversal of 4793145391081 is 1801935413974.

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 not a de Polignac number, because 4793145391081 - 2⁷ = 4793145390953 is a prime.

It is a super-2 number, since 2×4793145391081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4793145391061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55734248691 + ... + 55734248776.

It is an arithmetic number, because the mean of its divisors is an integer number (1226153472148).

Almost surely, 2^{4793145391081} is an apocalyptic number.

It is an amenable number.

4793145391081 is a deficient number, since it is larger than the sum of its proper divisors (111468497511).

4793145391081 is a wasteful number, since it uses less digits than its factorization.

4793145391081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111468497510.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 4793145391081 in words is "four trillion, seven hundred ninety-three billion, one hundred forty-five million, three hundred ninety-one thousand, eighty-one".