153397928261 has 4 divisors (see below), whose sum is σ = 157543818252. Its totient is φ = 149252038272.

The previous prime is 153397928219. The next prime is 153397928291. The reversal of 153397928261 is 162829793351.

153397928261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 113977811236 + 39420117025 = 337606^2 + 198545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153397928261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153397928197 and 153397928206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153397928291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072944940 + ... + 2072945013.

It is an arithmetic number, because the mean of its divisors is an integer number (39385954563).

Almost surely, 2^153397928261 is an apocalyptic number.

It is an amenable number.

153397928261 is a deficient number, since it is larger than the sum of its proper divisors (4145889991).

153397928261 is an equidigital number, since it uses as much as digits as its factorization.

153397928261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145889990.

The product of its digits is 4898880, while the sum is 56.

The spelling of 153397928261 in words is "one hundred fifty-three billion, three hundred ninety-seven million, nine hundred twenty-eight thousand, two hundred sixty-one".