63942984031 has 2 divisors, whose sum is σ = 63942984032. Its totient is φ = 63942984030.

The previous prime is 63942984023. The next prime is 63942984059. The reversal of 63942984031 is 13048924936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63942984031 - 2³ = 63942984023 is a prime.

It is a super-2 number, since 2×63942984031² (a number of 22 digits) contains 22 as substring.

It is the 252870-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63942934031) by changing a digit.

It is a nontrivial repunit in base 252869.

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, 31971492015 + 31971492016.

It is an arithmetic number, because the mean of its divisors is an integer number (31971492016).

Almost surely, 2^63942984031 is an apocalyptic number.

63942984031 is a deficient number, since it is larger than the sum of its proper divisors (1).

63942984031 is an equidigital number, since it uses as much as digits as its factorization.

63942984031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 63942984031 in words is "sixty-three billion, nine hundred forty-two million, nine hundred eighty-four thousand, thirty-one".