3554818906 has 4 divisors (see below), whose sum is σ = 5332228362. Its totient is φ = 1777409452.

The previous prime is 3554818903. The next prime is 3554818907. The reversal of 3554818906 is 6098184553.

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

It can be written as a sum of positive squares in only one way, i.e., 2751946681 + 802872225 = 52459^2 + 28335^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3554818906.

It is not an unprimeable number, because it can be changed into a prime (3554818903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888704725 + ... + 888704728.

Almost surely, 2^3554818906 is an apocalyptic number.

3554818906 is a deficient number, since it is larger than the sum of its proper divisors (1777409456).

3554818906 is a wasteful number, since it uses less digits than its factorization.

3554818906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777409455.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 3554818906 is about 59622.3020857129. The cubic root of 3554818906 is about 1526.1802428027.

The spelling of 3554818906 in words is "three billion, five hundred fifty-four million, eight hundred eighteen thousand, nine hundred six".