346515361645457 has 2 divisors, whose sum is σ = 346515361645458. Its totient is φ = 346515361645456.

The previous prime is 346515361645399. The next prime is 346515361645567. The reversal of 346515361645457 is 754546163515643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345567316692481 + 948044952976 = 18589441^2 + 973676^2 .

It is an emirp because it is prime and its reverse (754546163515643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346515361645457 - 2²⁸ = 346515093210001 is a prime.

It is a super-3 number, since 3×346515361645457³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 346515361645393 and 346515361645402.

It is not a weakly prime, because it can be changed into another prime (346515361945457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173257680822728 + 173257680822729.

It is an arithmetic number, because the mean of its divisors is an integer number (173257680822729).

Almost surely, 2^{346515361645457} is an apocalyptic number.

It is an amenable number.

346515361645457 is a deficient number, since it is larger than the sum of its proper divisors (1).

346515361645457 is an equidigital number, since it uses as much as digits as its factorization.

346515361645457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320000, while the sum is 65.

The spelling of 346515361645457 in words is "three hundred forty-six trillion, five hundred fifteen billion, three hundred sixty-one million, six hundred forty-five thousand, four hundred fifty-seven".