3549891454 has 4 divisors (see below), whose sum is σ = 5324837184. Its totient is φ = 1774945726.

The previous prime is 3549891419. The next prime is 3549891487. The reversal of 3549891454 is 4541989453.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887472862 + ... + 887472865.

It is an arithmetic number, because the mean of its divisors is an integer number (1331209296).

Almost surely, 2^3549891454 is an apocalyptic number.

3549891454 is a deficient number, since it is larger than the sum of its proper divisors (1774945730).

3549891454 is a wasteful number, since it uses less digits than its factorization.

3549891454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774945729.

The product of its digits is 3110400, while the sum is 52.

The square root of 3549891454 is about 59580.9655343047. The cubic root of 3549891454 is about 1525.4747537728.

The spelling of 3549891454 in words is "three billion, five hundred forty-nine million, eight hundred ninety-one thousand, four hundred fifty-four".