315424552549 has 2 divisors, whose sum is σ = 315424552550. Its totient is φ = 315424552548.

The previous prime is 315424552523. The next prime is 315424552601. The reversal of 315424552549 is 945255424513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291580560324 + 23843992225 = 539982^2 + 154415^2 .

It is a cyclic number.

It is not a de Polignac number, because 315424552549 - 2³¹ = 313277068901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315424552649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157712276274 + 157712276275.

It is an arithmetic number, because the mean of its divisors is an integer number (157712276275).

Almost surely, 2^315424552549 is an apocalyptic number.

It is an amenable number.

315424552549 is a deficient number, since it is larger than the sum of its proper divisors (1).

315424552549 is an equidigital number, since it uses as much as digits as its factorization.

315424552549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 49.

The spelling of 315424552549 in words is "three hundred fifteen billion, four hundred twenty-four million, five hundred fifty-two thousand, five hundred forty-nine".