345430782649 has 2 divisors, whose sum is σ = 345430782650. Its totient is φ = 345430782648.

The previous prime is 345430782637. The next prime is 345430782673. The reversal of 345430782649 is 946287034543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210185571600 + 135245211049 = 458460^2 + 367757^2 .

It is a cyclic number.

It is not a de Polignac number, because 345430782649 - 2¹¹ = 345430780601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345430782649.

It is not a weakly prime, because it can be changed into another prime (345430780649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172715391324 + 172715391325.

It is an arithmetic number, because the mean of its divisors is an integer number (172715391325).

Almost surely, 2^345430782649 is an apocalyptic number.

It is an amenable number.

345430782649 is a deficient number, since it is larger than the sum of its proper divisors (1).

345430782649 is an equidigital number, since it uses as much as digits as its factorization.

345430782649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 345430782649 in words is "three hundred forty-five billion, four hundred thirty million, seven hundred eighty-two thousand, six hundred forty-nine".