3551274612 has 36 divisors (see below), whose sum is σ = 9367132320. Its totient is φ = 1132290192.

The previous prime is 3551274577. The next prime is 3551274673. The reversal of 3551274612 is 2164721553.

3551274612 is a `hidden beast` number, since 35 + 5 + 1 + 2 + 7 + 4 + 612 = 666.

3551274612 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3551274612² = 25223102739671501088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143662 + ... + 2145317.

It is an arithmetic number, because the mean of its divisors is an integer number (260198120).

Almost surely, 2^3551274612 is an apocalyptic number.

It is an amenable number.

3551274612 is an abundant number, since it is smaller than the sum of its proper divisors (5815857708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3551274612 is a wasteful number, since it uses less digits than its factorization.

3551274612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289012 (or 4289007 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3551274612 is about 59592.5717854163. The cubic root of 3551274612 is about 1525.6728535980.

The spelling of 3551274612 in words is "three billion, five hundred fifty-one million, two hundred seventy-four thousand, six hundred twelve".