3445653121 has 8 divisors (see below), whose sum is σ = 3457629864. Its totient is φ = 3433689600.

The previous prime is 3445653089. The next prime is 3445653149. The reversal of 3445653121 is 1213565443.

It can be written as a sum of positive squares in 4 ways, for example, as 1254400 + 3444398721 = 1120^2 + 58689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3445653121 - 2⁵ = 3445653089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445653221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042171 + ... + 1045471.

It is an arithmetic number, because the mean of its divisors is an integer number (432203733).

Almost surely, 2^3445653121 is an apocalyptic number.

It is an amenable number.

3445653121 is a deficient number, since it is larger than the sum of its proper divisors (11976743).

3445653121 is a wasteful number, since it uses less digits than its factorization.

3445653121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611.

The product of its digits is 43200, while the sum is 34.

The square root of 3445653121 is about 58699.6858679840. The cubic root of 3445653121 is about 1510.3949263057.

The spelling of 3445653121 in words is "three billion, four hundred forty-five million, six hundred fifty-three thousand, one hundred twenty-one".