353249431851 has 4 divisors (see below), whose sum is σ = 470999242472. Its totient is φ = 235499621232.

The previous prime is 353249431837. The next prime is 353249431867. The reversal of 353249431851 is 158134942353.

353249431851 is digitally balanced in base 4, 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 is not a de Polignac number, because 353249431851 - 2⁵ = 353249431819 is a prime.

It is a super-2 number, since 2×353249431851² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 353249431851.

It is not an unprimeable number, because it can be changed into a prime (353249531851) 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, 58874905306 + ... + 58874905311.

It is an arithmetic number, because the mean of its divisors is an integer number (117749810618).

Almost surely, 2^353249431851 is an apocalyptic number.

353249431851 is a deficient number, since it is larger than the sum of its proper divisors (117749810621).

353249431851 is a wasteful number, since it uses less digits than its factorization.

353249431851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117749810620.

The product of its digits is 1555200, while the sum is 48.

The spelling of 353249431851 in words is "three hundred fifty-three billion, two hundred forty-nine million, four hundred thirty-one thousand, eight hundred fifty-one".