3551642899 has 8 divisors (see below), whose sum is σ = 4080273408. Its totient is φ = 3028325640.

The previous prime is 3551642893. The next prime is 3551642929. The reversal of 3551642899 is 9982461553.

3551642899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3551642899 - 2⁹ = 3551642387 is a prime.

It is a super-2 number, since 2×3551642899² = 25228334564034248402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551642893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326877 + ... + 1329550.

It is an arithmetic number, because the mean of its divisors is an integer number (510034176).

Almost surely, 2^3551642899 is an apocalyptic number.

3551642899 is a deficient number, since it is larger than the sum of its proper divisors (528630509).

3551642899 is a wasteful number, since it uses less digits than its factorization.

3551642899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656625.

The product of its digits is 2332800, while the sum is 52.

The square root of 3551642899 is about 59595.6617464728. The cubic root of 3551642899 is about 1525.7255920386.

The spelling of 3551642899 in words is "three billion, five hundred fifty-one million, six hundred forty-two thousand, eight hundred ninety-nine".