3551451375149 has 2 divisors, whose sum is σ = 3551451375150. Its totient is φ = 3551451375148.

The previous prime is 3551451375053. The next prime is 3551451375223. The reversal of 3551451375149 is 9415731541553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3439978859524 + 111472515625 = 1854718^2 + 333875^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551451375149 - 2⁸ = 3551451374893 is a prime.

It is a super-2 number, since 2×3551451375149² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3551451375149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3551453375149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775725687574 + 1775725687575.

It is an arithmetic number, because the mean of its divisors is an integer number (1775725687575).

Almost surely, 2^{3551451375149} is an apocalyptic number.

It is an amenable number.

3551451375149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551451375149 is an equidigital number, since it uses as much as digits as its factorization.

3551451375149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670000, while the sum is 53.

The spelling of 3551451375149 in words is "three trillion, five hundred fifty-one billion, four hundred fifty-one million, three hundred seventy-five thousand, one hundred forty-nine".