3455544342021 has 32 divisors (see below), whose sum is σ = 4880389570560. Its totient is φ = 2171248895424.

The previous prime is 3455544342011. The next prime is 3455544342031. The reversal of 3455544342021 is 1202434455543.

It is an interprime number because it is at equal distance from previous prime (3455544342011) and next prime (3455544342031).

It is not a de Polignac number, because 3455544342021 - 2⁵ = 3455544341989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455544342001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462846 + ... + 2669328.

It is an arithmetic number, because the mean of its divisors is an integer number (152512174080).

Almost surely, 2^{3455544342021} is an apocalyptic number.

It is an amenable number.

3455544342021 is a deficient number, since it is larger than the sum of its proper divisors (1424845228539).

3455544342021 is a wasteful number, since it uses less digits than its factorization.

3455544342021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206945.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 3455544342021 its reverse (1202434455543), we get a palindrome (4657978797564).

The spelling of 3455544342021 in words is "three trillion, four hundred fifty-five billion, five hundred forty-four million, three hundred forty-two thousand, twenty-one".