63040387413461 has 2 divisors, whose sum is σ = 63040387413462. Its totient is φ = 63040387413460.

The previous prime is 63040387413407. The next prime is 63040387413539. The reversal of 63040387413461 is 16431478304036.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34714414907236 + 28325972506225 = 5891894^2 + 5322215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63040387413461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63040387415461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31520193706730 + 31520193706731.

It is an arithmetic number, because the mean of its divisors is an integer number (31520193706731).

Almost surely, 2^{63040387413461} is an apocalyptic number.

It is an amenable number.

63040387413461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63040387413461 is an equidigital number, since it uses as much as digits as its factorization.

63040387413461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 63040387413461 in words is "sixty-three trillion, forty billion, three hundred eighty-seven million, four hundred thirteen thousand, four hundred sixty-one".