351544145857 has 2 divisors, whose sum is σ = 351544145858. Its totient is φ = 351544145856.

The previous prime is 351544145837. The next prime is 351544145881. The reversal of 351544145857 is 758541445153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345607597456 + 5936548401 = 587884^2 + 77049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351544145857 is a prime.

It is not a weakly prime, because it can be changed into another prime (351544145837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175772072928 + 175772072929.

It is an arithmetic number, because the mean of its divisors is an integer number (175772072929).

Almost surely, 2^351544145857 is an apocalyptic number.

It is an amenable number.

351544145857 is a deficient number, since it is larger than the sum of its proper divisors (1).

351544145857 is an equidigital number, since it uses as much as digits as its factorization.

351544145857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720000, while the sum is 52.

The spelling of 351544145857 in words is "three hundred fifty-one billion, five hundred forty-four million, one hundred forty-five thousand, eight hundred fifty-seven".