3551242773636 has 36 divisors (see below), whose sum is σ = 8977399038972. Its totient is φ = 1183662342144.

The previous prime is 3551242773623. The next prime is 3551242773647. The reversal of 3551242773636 is 6363772421553.

3551242773636 is a `hidden beast` number, since 3 + 5 + 5 + 1 + 2 + 4 + 277 + 363 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2421932737536 + 1129310036100 = 1556256^2 + 1062690^2 .

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

It is a super-2 number, since 2×3551242773636² (a number of 26 digits) contains 22 as substring.

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, 3044221 + ... + 4045956.

It is an arithmetic number, because the mean of its divisors is an integer number (249372195527).

Almost surely, 2^{3551242773636} is an apocalyptic number.

3551242773636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3551242773636 is an abundant number, since it is smaller than the sum of its proper divisors (5426156265336).

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

3551242773636 is a wasteful number, since it uses less digits than its factorization.

3551242773636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104100 (or 7104095 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 54.

The spelling of 3551242773636 in words is "three trillion, five hundred fifty-one billion, two hundred forty-two million, seven hundred seventy-three thousand, six hundred thirty-six".