3435664121 has 4 divisors (see below), whose sum is σ = 3435808512. Its totient is φ = 3435519732.

The previous prime is 3435664117. The next prime is 3435664153. The reversal of 3435664121 is 1214665343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1214665343 = 31 ⋅39182753.

It is a cyclic number.

It is not a de Polignac number, because 3435664121 - 2² = 3435664117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3435604121) 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, 27125 + ... + 87218.

It is an arithmetic number, because the mean of its divisors is an integer number (858952128).

Almost surely, 2^3435664121 is an apocalyptic number.

It is an amenable number.

3435664121 is a deficient number, since it is larger than the sum of its proper divisors (144391).

3435664121 is a wasteful number, since it uses less digits than its factorization.

3435664121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144390.

The product of its digits is 51840, while the sum is 35.

The square root of 3435664121 is about 58614.5384780943. The cubic root of 3435664121 is about 1508.9339611045.

The spelling of 3435664121 in words is "three billion, four hundred thirty-five million, six hundred sixty-four thousand, one hundred twenty-one".