4720273519949 has 4 divisors (see below), whose sum is σ = 5083371483036. Its totient is φ = 4357175556864.

The previous prime is 4720273519921. The next prime is 4720273519957. The reversal of 4720273519949 is 9499153720274.

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 2120139844900 + 2600133675049 = 1456070^2 + 1612493^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4720273519949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4720273519891 and 4720273519900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720273519979) 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, 181548981524 + ... + 181548981549.

It is an arithmetic number, because the mean of its divisors is an integer number (1270842870759).

Almost surely, 2^{4720273519949} is an apocalyptic number.

It is an amenable number.

4720273519949 is a deficient number, since it is larger than the sum of its proper divisors (363097963087).

4720273519949 is a wasteful number, since it uses less digits than its factorization.

4720273519949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363097963086.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 4720273519949 in words is "four trillion, seven hundred twenty billion, two hundred seventy-three million, five hundred nineteen thousand, nine hundred forty-nine".