153977699129 has 2 divisors, whose sum is σ = 153977699130. Its totient is φ = 153977699128.

The previous prime is 153977699111. The next prime is 153977699131. The reversal of 153977699129 is 921996779351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151591865104 + 2385834025 = 389348^2 + 48845^2 .

It is an emirp because it is prime and its reverse (921996779351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153977699129 is a prime.

Together with 153977699131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153977699159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76988849564 + 76988849565.

It is an arithmetic number, because the mean of its divisors is an integer number (76988849565).

Almost surely, 2^153977699129 is an apocalyptic number.

It is an amenable number.

153977699129 is a deficient number, since it is larger than the sum of its proper divisors (1).

153977699129 is an equidigital number, since it uses as much as digits as its factorization.

153977699129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57868020, while the sum is 68.

The spelling of 153977699129 in words is "one hundred fifty-three billion, nine hundred seventy-seven million, six hundred ninety-nine thousand, one hundred twenty-nine".