129025351963 has 2 divisors, whose sum is σ = 129025351964. Its totient is φ = 129025351962.

The previous prime is 129025351951. The next prime is 129025352003. The reversal of 129025351963 is 369153520921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129025351963 - 2⁹ = 129025351451 is a prime.

It is not a weakly prime, because it can be changed into another prime (129025351933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64512675981 + 64512675982.

It is an arithmetic number, because the mean of its divisors is an integer number (64512675982).

Almost surely, 2^129025351963 is an apocalyptic number.

129025351963 is a deficient number, since it is larger than the sum of its proper divisors (1).

129025351963 is an equidigital number, since it uses as much as digits as its factorization.

129025351963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 129025351963 in words is "one hundred twenty-nine billion, twenty-five million, three hundred fifty-one thousand, nine hundred sixty-three".