7356631481 has 2 divisors, whose sum is σ = 7356631482. Its totient is φ = 7356631480.

The previous prime is 7356631453. The next prime is 7356631507. The reversal of 7356631481 is 1841366537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5959068025 + 1397563456 = 77195^2 + 37384^2 .

It is a cyclic number.

It is not a de Polignac number, because 7356631481 - 2¹⁸ = 7356369337 is a prime.

It is a super-2 number, since 2×7356631481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7356631441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3678315740 + 3678315741.

It is an arithmetic number, because the mean of its divisors is an integer number (3678315741).

Almost surely, 2^7356631481 is an apocalyptic number.

It is an amenable number.

7356631481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7356631481 is an equidigital number, since it uses as much as digits as its factorization.

7356631481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 7356631481 is about 85770.8078602504. The cubic root of 7356631481 is about 1944.8808513615.

The spelling of 7356631481 in words is "seven billion, three hundred fifty-six million, six hundred thirty-one thousand, four hundred eighty-one".