4572748949 has 2 divisors, whose sum is σ = 4572748950. Its totient is φ = 4572748948.

The previous prime is 4572748937. The next prime is 4572748951. The reversal of 4572748949 is 9498472754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4572193924 + 555025 = 67618^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 4572748949 - 2⁸ = 4572748693 is a prime.

Together with 4572748951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4572748849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286374474 + 2286374475.

It is an arithmetic number, because the mean of its divisors is an integer number (2286374475).

Almost surely, 2^4572748949 is an apocalyptic number.

It is an amenable number.

4572748949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4572748949 is an equidigital number, since it uses as much as digits as its factorization.

4572748949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 59.

The square root of 4572748949 is about 67622.1039971399. The cubic root of 4572748949 is about 1659.8128386510.

The spelling of 4572748949 in words is "four billion, five hundred seventy-two million, seven hundred forty-eight thousand, nine hundred forty-nine".