3551131641 has 8 divisors (see below), whose sum is σ = 4736549824. Its totient is φ = 2366567280.

The previous prime is 3551131631. The next prime is 3551131679. The reversal of 3551131641 is 1461311553.

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

It is not a de Polignac number, because 3551131641 - 2⁵ = 3551131609 is a prime.

It is a super-2 number, since 2×3551131641² = 25221071863422705762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3551131599 and 3551131608.

It is not an unprimeable number, because it can be changed into a prime (3551131631) 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, 203686 + ... + 220431.

It is an arithmetic number, because the mean of its divisors is an integer number (592068728).

Almost surely, 2^3551131641 is an apocalyptic number.

It is an amenable number.

3551131641 is a deficient number, since it is larger than the sum of its proper divisors (1185418183).

3551131641 is a wasteful number, since it uses less digits than its factorization.

3551131641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426911.

The product of its digits is 5400, while the sum is 30.

The square root of 3551131641 is about 59591.3722026939. The cubic root of 3551131641 is about 1525.6523792684.

The spelling of 3551131641 in words is "three billion, five hundred fifty-one million, one hundred thirty-one thousand, six hundred forty-one".