3451401542549 has 2 divisors, whose sum is σ = 3451401542550. Its totient is φ = 3451401542548.

The previous prime is 3451401542503. The next prime is 3451401542587. The reversal of 3451401542549 is 9452451041543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3380854464100 + 70547078449 = 1838710^2 + 265607^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451401542549 - 2²⁴ = 3451384765333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3451404542549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725700771274 + 1725700771275.

It is an arithmetic number, because the mean of its divisors is an integer number (1725700771275).

Almost surely, 2^{3451401542549} is an apocalyptic number.

It is an amenable number.

3451401542549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3451401542549 is an equidigital number, since it uses as much as digits as its factorization.

3451401542549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 3451401542549 in words is "three trillion, four hundred fifty-one billion, four hundred one million, five hundred forty-two thousand, five hundred forty-nine".