63001938973 has 2 divisors, whose sum is σ = 63001938974. Its totient is φ = 63001938972.

The previous prime is 63001938917. The next prime is 63001938977. The reversal of 63001938973 is 37983910036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62311142884 + 690796089 = 249622^2 + 26283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63001938973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63001938977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31500969486 + 31500969487.

It is an arithmetic number, because the mean of its divisors is an integer number (31500969487).

Almost surely, 2^63001938973 is an apocalyptic number.

It is an amenable number.

63001938973 is a deficient number, since it is larger than the sum of its proper divisors (1).

63001938973 is an equidigital number, since it uses as much as digits as its factorization.

63001938973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 63001938973 in words is "sixty-three billion, one million, nine hundred thirty-eight thousand, nine hundred seventy-three".