1553233022009 has 2 divisors, whose sum is σ = 1553233022010. Its totient is φ = 1553233022008.

The previous prime is 1553233021979. The next prime is 1553233022017. The reversal of 1553233022009 is 9002203323551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 877318842409 + 675914179600 = 936653^2 + 822140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553233022009 - 2²⁴ = 1553216244793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1553233022009.

It is not a weakly prime, because it can be changed into another prime (1553233022039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776616511004 + 776616511005.

It is an arithmetic number, because the mean of its divisors is an integer number (776616511005).

Almost surely, 2^{1553233022009} is an apocalyptic number.

It is an amenable number.

1553233022009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553233022009 is an equidigital number, since it uses as much as digits as its factorization.

1553233022009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 1553233022009 in words is "one trillion, five hundred fifty-three billion, two hundred thirty-three million, twenty-two thousand, nine".