153816133649 has 2 divisors, whose sum is σ = 153816133650. Its totient is φ = 153816133648.

The previous prime is 153816133631. The next prime is 153816133687. The reversal of 153816133649 is 946331618351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85887094225 + 67929039424 = 293065^2 + 260632^2 .

It is a cyclic number.

It is not a de Polignac number, because 153816133649 - 2¹⁶ = 153816068113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153816133597 and 153816133606.

It is not a weakly prime, because it can be changed into another prime (153816133619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76908066824 + 76908066825.

It is an arithmetic number, because the mean of its divisors is an integer number (76908066825).

Almost surely, 2^153816133649 is an apocalyptic number.

It is an amenable number.

153816133649 is a deficient number, since it is larger than the sum of its proper divisors (1).

153816133649 is an equidigital number, since it uses as much as digits as its factorization.

153816133649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The spelling of 153816133649 in words is "one hundred fifty-three billion, eight hundred sixteen million, one hundred thirty-three thousand, six hundred forty-nine".