346550440153 has 4 divisors (see below), whose sum is σ = 366935760180. Its totient is φ = 326165120128.

The previous prime is 346550440147. The next prime is 346550440163. The reversal of 346550440153 is 351044055643.

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 246813220809 + 99737219344 = 496803^2 + 315812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346550440153 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346550440163) 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, 10192659988 + ... + 10192660021.

It is an arithmetic number, because the mean of its divisors is an integer number (91733940045).

Almost surely, 2^346550440153 is an apocalyptic number.

It is an amenable number.

346550440153 is a deficient number, since it is larger than the sum of its proper divisors (20385320027).

346550440153 is a wasteful number, since it uses less digits than its factorization.

346550440153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385320026.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 346550440153 its reverse (351044055643), we get a palindrome (697594495796).

The spelling of 346550440153 in words is "three hundred forty-six billion, five hundred fifty million, four hundred forty thousand, one hundred fifty-three".