63960091541 has 2 divisors, whose sum is σ = 63960091542. Its totient is φ = 63960091540.

The previous prime is 63960091537. The next prime is 63960091561. The reversal of 63960091541 is 14519006936.

63960091541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47388936100 + 16571155441 = 217690^2 + 128729^2 .

It is a cyclic number.

It is not a de Polignac number, because 63960091541 - 2² = 63960091537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63960091492 and 63960091501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63960091561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31980045770 + 31980045771.

It is an arithmetic number, because the mean of its divisors is an integer number (31980045771).

Almost surely, 2^63960091541 is an apocalyptic number.

It is an amenable number.

63960091541 is a deficient number, since it is larger than the sum of its proper divisors (1).

63960091541 is an equidigital number, since it uses as much as digits as its factorization.

63960091541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 63960091541 in words is "sixty-three billion, nine hundred sixty million, ninety-one thousand, five hundred forty-one".