154590965953 has 2 divisors, whose sum is σ = 154590965954. Its totient is φ = 154590965952.

The previous prime is 154590965941. The next prime is 154590965959. The reversal of 154590965953 is 359569095451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128226299569 + 26364666384 = 358087^2 + 162372^2 .

It is a cyclic number.

It is not a de Polignac number, because 154590965953 - 2³³ = 146001031361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154590965891 and 154590965900.

It is not a weakly prime, because it can be changed into another prime (154590965959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77295482976 + 77295482977.

It is an arithmetic number, because the mean of its divisors is an integer number (77295482977).

Almost surely, 2^154590965953 is an apocalyptic number.

It is an amenable number.

154590965953 is a deficient number, since it is larger than the sum of its proper divisors (1).

154590965953 is an equidigital number, since it uses as much as digits as its factorization.

154590965953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32805000, while the sum is 61.

The spelling of 154590965953 in words is "one hundred fifty-four billion, five hundred ninety million, nine hundred sixty-five thousand, nine hundred fifty-three".