4743045721 has 2 divisors, whose sum is σ = 4743045722. Its totient is φ = 4743045720.

The previous prime is 4743045701. The next prime is 4743045751. The reversal of 4743045721 is 1275403474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4281870096 + 461175625 = 65436^2 + 21475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4743045721 - 2²³ = 4734657113 is a prime.

It is a super-2 number, since 2×4743045721² = 44992965422992819682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4743045701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371522860 + 2371522861.

It is an arithmetic number, because the mean of its divisors is an integer number (2371522861).

Almost surely, 2^4743045721 is an apocalyptic number.

It is an amenable number.

4743045721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4743045721 is an equidigital number, since it uses as much as digits as its factorization.

4743045721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 4743045721 is about 68869.7736383677. The cubic root of 4743045721 is about 1680.1669478130.

The spelling of 4743045721 in words is "four billion, seven hundred forty-three million, forty-five thousand, seven hundred twenty-one".