63287037361 has 2 divisors, whose sum is σ = 63287037362. Its totient is φ = 63287037360.

The previous prime is 63287037311. The next prime is 63287037389. The reversal of 63287037361 is 16373078236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52587203761 + 10699833600 = 229319^2 + 103440^2 .

It is a cyclic number.

It is not a de Polignac number, because 63287037361 - 2¹⁵ = 63287004593 is a prime.

It is a super-3 number, since 3×63287037361³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (63287037311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31643518680 + 31643518681.

It is an arithmetic number, because the mean of its divisors is an integer number (31643518681).

Almost surely, 2^63287037361 is an apocalyptic number.

It is an amenable number.

63287037361 is a deficient number, since it is larger than the sum of its proper divisors (1).

63287037361 is an equidigital number, since it uses as much as digits as its factorization.

63287037361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 63287037361 in words is "sixty-three billion, two hundred eighty-seven million, thirty-seven thousand, three hundred sixty-one".