3551643037 has 2 divisors, whose sum is σ = 3551643038. Its totient is φ = 3551643036.

The previous prime is 3551642993. The next prime is 3551643041. The reversal of 3551643037 is 7303461553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2498900121 + 1052742916 = 49989^2 + 32446^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551643037 - 2¹⁵ = 3551610269 is a prime.

It is a super-2 number, since 2×3551643037² = 25228336524541166738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3551642987 and 3551643005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3551643047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775821518 + 1775821519.

It is an arithmetic number, because the mean of its divisors is an integer number (1775821519).

Almost surely, 2^3551643037 is an apocalyptic number.

It is an amenable number.

3551643037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551643037 is an equidigital number, since it uses as much as digits as its factorization.

3551643037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 37.

The square root of 3551643037 is about 59595.6629042752. The cubic root of 3551643037 is about 1525.7256117995.

The spelling of 3551643037 in words is "three billion, five hundred fifty-one million, six hundred forty-three thousand, thirty-seven".