3455410021 has 16 divisors (see below), whose sum is σ = 4188312576. Its totient is φ = 2782907136.

The previous prime is 3455410019. The next prime is 3455410033. The reversal of 3455410021 is 1200145543.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3455410021 - 2¹ = 3455410019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455410121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48315 + ... + 96151.

It is an arithmetic number, because the mean of its divisors is an integer number (261769536).

Almost surely, 2^3455410021 is an apocalyptic number.

It is an amenable number.

3455410021 is a deficient number, since it is larger than the sum of its proper divisors (732902555).

3455410021 is a wasteful number, since it uses less digits than its factorization.

3455410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48468.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3455410021 is about 58782.7357393308. The cubic root of 3455410021 is about 1511.8192217647.

Adding to 3455410021 its reverse (1200145543), we get a palindrome (4655555564).

The spelling of 3455410021 in words is "three billion, four hundred fifty-five million, four hundred ten thousand, twenty-one".