3554513451421 has 4 divisors (see below), whose sum is σ = 3556219892992. Its totient is φ = 3552807009852.

The previous prime is 3554513451397. The next prime is 3554513451487. The reversal of 3554513451421 is 1241543154553.

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.

It is a cyclic number.

It is not a de Polignac number, because 3554513451421 - 2¹¹ = 3554513449373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554513451491) 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, 853217661 + ... + 853221826.

It is an arithmetic number, because the mean of its divisors is an integer number (889054973248).

Almost surely, 2^{3554513451421} is an apocalyptic number.

It is an amenable number.

3554513451421 is a deficient number, since it is larger than the sum of its proper divisors (1706441571).

3554513451421 is a wasteful number, since it uses less digits than its factorization.

3554513451421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706441570.

The product of its digits is 720000, while the sum is 43.

The spelling of 3554513451421 in words is "three trillion, five hundred fifty-four billion, five hundred thirteen million, four hundred fifty-one thousand, four hundred twenty-one".