153420553613 has 4 divisors (see below), whose sum is σ = 157567055100. Its totient is φ = 149274052128.

The previous prime is 153420553591. The next prime is 153420553621. The reversal of 153420553613 is 316355024351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97158136804 + 56262416809 = 311702^2 + 237197^2 .

It is a cyclic number.

It is not a de Polignac number, because 153420553613 - 2⁶ = 153420553549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153420553673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073250688 + ... + 2073250761.

It is an arithmetic number, because the mean of its divisors is an integer number (39391763775).

Almost surely, 2^153420553613 is an apocalyptic number.

It is an amenable number.

153420553613 is a deficient number, since it is larger than the sum of its proper divisors (4146501487).

153420553613 is an equidigital number, since it uses as much as digits as its factorization.

153420553613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146501486.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 153420553613 its reverse (316355024351), we get a palindrome (469775577964).

The spelling of 153420553613 in words is "one hundred fifty-three billion, four hundred twenty million, five hundred fifty-three thousand, six hundred thirteen".