6554721542 has 8 divisors (see below), whose sum is σ = 9839064600. Its totient is φ = 3275033344.

The previous prime is 6554721529. The next prime is 6554721559. The reversal of 6554721542 is 2451274556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6554721542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160192 + ... + 1165827.

It is an arithmetic number, because the mean of its divisors is an integer number (1229883075).

Almost surely, 2^6554721542 is an apocalyptic number.

6554721542 is a deficient number, since it is larger than the sum of its proper divisors (3284343058).

6554721542 is a wasteful number, since it uses less digits than its factorization.

6554721542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327430.

The product of its digits is 336000, while the sum is 41.

The square root of 6554721542 is about 80961.2348102473. The cubic root of 6554721542 is about 1871.4780979526.

The spelling of 6554721542 in words is "six billion, five hundred fifty-four million, seven hundred twenty-one thousand, five hundred forty-two".