63959140451 has 2 divisors, whose sum is σ = 63959140452. Its totient is φ = 63959140450.

The previous prime is 63959140417. The next prime is 63959140459. The reversal of 63959140451 is 15404195936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63959140451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63959140396 and 63959140405.

It is not a weakly prime, because it can be changed into another prime (63959140459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31979570225 + 31979570226.

It is an arithmetic number, because the mean of its divisors is an integer number (31979570226).

Almost surely, 2^63959140451 is an apocalyptic number.

63959140451 is a deficient number, since it is larger than the sum of its proper divisors (1).

63959140451 is an equidigital number, since it uses as much as digits as its factorization.

63959140451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 63959140451 in words is "sixty-three billion, nine hundred fifty-nine million, one hundred forty thousand, four hundred fifty-one".