3551472365641 has 2 divisors, whose sum is σ = 3551472365642. Its totient is φ = 3551472365640.

The previous prime is 3551472365593. The next prime is 3551472365663. The reversal of 3551472365641 is 1465632741553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2807702384400 + 743769981241 = 1675620^2 + 862421^2 .

It is an emirp because it is prime and its reverse (1465632741553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3551472365641 - 2¹³ = 3551472357449 is a prime.

It is a super-2 number, since 2×3551472365641² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3551472365141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775736182820 + 1775736182821.

It is an arithmetic number, because the mean of its divisors is an integer number (1775736182821).

Almost surely, 2^{3551472365641} is an apocalyptic number.

It is an amenable number.

3551472365641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551472365641 is an equidigital number, since it uses as much as digits as its factorization.

3551472365641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 52.

The spelling of 3551472365641 in words is "three trillion, five hundred fifty-one billion, four hundred seventy-two million, three hundred sixty-five thousand, six hundred forty-one".