153964668947 has 2 divisors, whose sum is σ = 153964668948. Its totient is φ = 153964668946.

The previous prime is 153964668931. The next prime is 153964668959. The reversal of 153964668947 is 749866469351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153964668947 - 2⁴ = 153964668931 is a prime.

It is not a weakly prime, because it can be changed into another prime (153964668547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76982334473 + 76982334474.

It is an arithmetic number, because the mean of its divisors is an integer number (76982334474).

Almost surely, 2^153964668947 is an apocalyptic number.

153964668947 is a deficient number, since it is larger than the sum of its proper divisors (1).

153964668947 is an equidigital number, since it uses as much as digits as its factorization.

153964668947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 68.

The spelling of 153964668947 in words is "one hundred fifty-three billion, nine hundred sixty-four million, six hundred sixty-eight thousand, nine hundred forty-seven".