4074020549 has 2 divisors, whose sum is σ = 4074020550. Its totient is φ = 4074020548.

The previous prime is 4074020519. The next prime is 4074020569. The reversal of 4074020549 is 9450204704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2980395649 + 1093624900 = 54593^2 + 33070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4074020549 is a prime.

It is a super-2 number, since 2×4074020549² = 33195286867348522802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4074020519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037010274 + 2037010275.

It is an arithmetic number, because the mean of its divisors is an integer number (2037010275).

Almost surely, 2^4074020549 is an apocalyptic number.

It is an amenable number.

4074020549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4074020549 is an equidigital number, since it uses as much as digits as its factorization.

4074020549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 4074020549 is about 63828.0545606710. The cubic root of 4074020549 is about 1597.1329579299.

The spelling of 4074020549 in words is "four billion, seventy-four million, twenty thousand, five hundred forty-nine".