1553104009 has 2 divisors, whose sum is σ = 1553104010. Its totient is φ = 1553104008.

The previous prime is 1553103973. The next prime is 1553104073. The reversal of 1553104009 is 9004013551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1431487225 + 121616784 = 37835^2 + 11028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553104009 - 2¹¹ = 1553101961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1553105009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776552004 + 776552005.

It is an arithmetic number, because the mean of its divisors is an integer number (776552005).

Almost surely, 2^1553104009 is an apocalyptic number.

It is an amenable number.

1553104009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553104009 is an equidigital number, since it uses as much as digits as its factorization.

1553104009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1553104009 is about 39409.4406075499. The cubic root of 1553104009 is about 1158.0665395985.

The spelling of 1553104009 in words is "one billion, five hundred fifty-three million, one hundred four thousand, nine".