63862837261 has 2 divisors, whose sum is σ = 63862837262. Its totient is φ = 63862837260.

The previous prime is 63862837253. The next prime is 63862837267. The reversal of 63862837261 is 16273826836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63696169161 + 166668100 = 252381^2 + 12910^2 .

It is a cyclic number.

It is not a de Polignac number, because 63862837261 - 2³ = 63862837253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63862837199 and 63862837208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63862837267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31931418630 + 31931418631.

It is an arithmetic number, because the mean of its divisors is an integer number (31931418631).

Almost surely, 2^63862837261 is an apocalyptic number.

It is an amenable number.

63862837261 is a deficient number, since it is larger than the sum of its proper divisors (1).

63862837261 is an equidigital number, since it uses as much as digits as its factorization.

63862837261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The spelling of 63862837261 in words is "sixty-three billion, eight hundred sixty-two million, eight hundred thirty-seven thousand, two hundred sixty-one".