3553742874421 has 4 divisors (see below), whose sum is σ = 3555494351500. Its totient is φ = 3551991397344.

The previous prime is 3553742874419. The next prime is 3553742874439. The reversal of 3553742874421 is 1244782473553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2658285680625 + 895457193796 = 1630425^2 + 946286^2 .

It is a cyclic number.

It is not a de Polignac number, because 3553742874421 - 2¹ = 3553742874419 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 (3553740874421) 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, 875735496 + ... + 875739553.

It is an arithmetic number, because the mean of its divisors is an integer number (888873587875).

Almost surely, 2^{3553742874421} is an apocalyptic number.

It is an amenable number.

3553742874421 is a deficient number, since it is larger than the sum of its proper divisors (1751477079).

3553742874421 is a wasteful number, since it uses less digits than its factorization.

3553742874421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751477078.

The product of its digits is 22579200, while the sum is 55.

The spelling of 3553742874421 in words is "three trillion, five hundred fifty-three billion, seven hundred forty-two million, eight hundred seventy-four thousand, four hundred twenty-one".