4012747549 has 2 divisors, whose sum is σ = 4012747550. Its totient is φ = 4012747548.

The previous prime is 4012747433. The next prime is 4012747577. The reversal of 4012747549 is 9457472104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2655340900 + 1357406649 = 51530^2 + 36843^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012747549 - 2¹⁵ = 4012714781 is a prime.

It is a super-2 number, since 2×4012747549² = 32204285784011014802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022747549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006373774 + 2006373775.

It is an arithmetic number, because the mean of its divisors is an integer number (2006373775).

Almost surely, 2^4012747549 is an apocalyptic number.

It is an amenable number.

4012747549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012747549 is an equidigital number, since it uses as much as digits as its factorization.

4012747549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 4012747549 is about 63346.2512624070. The cubic root of 4012747549 is about 1589.0855531860.

The spelling of 4012747549 in words is "four billion, twelve million, seven hundred forty-seven thousand, five hundred forty-nine".