3455272071021 has 16 divisors (see below), whose sum is σ = 4707021254400. Its totient is φ = 2253559841088.

The previous prime is 3455272070993. The next prime is 3455272071077. The reversal of 3455272071021 is 1201702725543.

It is not a de Polignac number, because 3455272071021 - 2¹¹ = 3455272068973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455273071021) 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, 4791966 + ... + 5465663.

It is an arithmetic number, because the mean of its divisors is an integer number (294188828400).

Almost surely, 2^{3455272071021} is an apocalyptic number.

It is an amenable number.

3455272071021 is a deficient number, since it is larger than the sum of its proper divisors (1251749183379).

3455272071021 is a wasteful number, since it uses less digits than its factorization.

3455272071021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10260068.

The product of its (nonzero) digits is 117600, while the sum is 39.

Adding to 3455272071021 its reverse (1201702725543), we get a palindrome (4656974796564).

The spelling of 3455272071021 in words is "three trillion, four hundred fifty-five billion, two hundred seventy-two million, seventy-one thousand, twenty-one".