3551881201 has 8 divisors (see below), whose sum is σ = 3909070944. Its totient is φ = 3200406720.

The previous prime is 3551881199. The next prime is 3551881253. The reversal of 3551881201 is 1021881553.

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 3551881201 - 2¹ = 3551881199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3551881601) 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, 1427511 + ... + 1429996.

It is an arithmetic number, because the mean of its divisors is an integer number (488633868).

Almost surely, 2^3551881201 is an apocalyptic number.

It is an amenable number.

3551881201 is a deficient number, since it is larger than the sum of its proper divisors (357189743).

3551881201 is a wasteful number, since it uses less digits than its factorization.

3551881201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857631.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 3551881201 is about 59597.6610363192. The cubic root of 3551881201 is about 1525.7597147755.

The spelling of 3551881201 in words is "three billion, five hundred fifty-one million, eight hundred eighty-one thousand, two hundred one".