63100435481 has 2 divisors, whose sum is σ = 63100435482. Its totient is φ = 63100435480.

The previous prime is 63100435399. The next prime is 63100435499. The reversal of 63100435481 is 18453400136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54986029081 + 8114406400 = 234491^2 + 90080^2 .

It is a cyclic number.

It is not a de Polignac number, because 63100435481 - 2²² = 63096241177 is a prime.

It is a super-2 number, since 2×63100435481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63100435681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31550217740 + 31550217741.

It is an arithmetic number, because the mean of its divisors is an integer number (31550217741).

Almost surely, 2^63100435481 is an apocalyptic number.

It is an amenable number.

63100435481 is a deficient number, since it is larger than the sum of its proper divisors (1).

63100435481 is an equidigital number, since it uses as much as digits as its factorization.

63100435481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 63100435481 in words is "sixty-three billion, one hundred million, four hundred thirty-five thousand, four hundred eighty-one".