7413427481 has 2 divisors, whose sum is σ = 7413427482. Its totient is φ = 7413427480.

The previous prime is 7413427447. The next prime is 7413427487. The reversal of 7413427481 is 1847243147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6731382025 + 682045456 = 82045^2 + 26116^2 .

It is a cyclic number.

It is not a de Polignac number, because 7413427481 - 2²² = 7409233177 is a prime.

It is a super-2 number, since 2×7413427481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7413427487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3706713740 + 3706713741.

It is an arithmetic number, because the mean of its divisors is an integer number (3706713741).

Almost surely, 2^7413427481 is an apocalyptic number.

It is an amenable number.

7413427481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7413427481 is an equidigital number, since it uses as much as digits as its factorization.

7413427481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 7413427481 is about 86101.2629466026. The cubic root of 7413427481 is about 1949.8730998725.

The spelling of 7413427481 in words is "seven billion, four hundred thirteen million, four hundred twenty-seven thousand, four hundred eighty-one".