153997742579 has 2 divisors, whose sum is σ = 153997742580. Its totient is φ = 153997742578.

The previous prime is 153997742501. The next prime is 153997742609. The reversal of 153997742579 is 975247799351.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153997742579 is a prime.

It is not a weakly prime, because it can be changed into another prime (153957742579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76998871289 + 76998871290.

It is an arithmetic number, because the mean of its divisors is an integer number (76998871290).

Almost surely, 2^153997742579 is an apocalyptic number.

153997742579 is a deficient number, since it is larger than the sum of its proper divisors (1).

153997742579 is an equidigital number, since it uses as much as digits as its factorization.

153997742579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150028200, while the sum is 68.

The spelling of 153997742579 in words is "one hundred fifty-three billion, nine hundred ninety-seven million, seven hundred forty-two thousand, five hundred seventy-nine".