345430782637 has 2 divisors, whose sum is σ = 345430782638. Its totient is φ = 345430782636.

The previous prime is 345430782623. The next prime is 345430782649. The reversal of 345430782637 is 736287034543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345257307396 + 173475241 = 587586^2 + 13171^2 .

It is a cyclic number.

It is not a de Polignac number, because 345430782637 - 2¹¹ = 345430780589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345430782607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172715391318 + 172715391319.

It is an arithmetic number, because the mean of its divisors is an integer number (172715391319).

Almost surely, 2^345430782637 is an apocalyptic number.

It is an amenable number.

345430782637 is a deficient number, since it is larger than the sum of its proper divisors (1).

345430782637 is an equidigital number, since it uses as much as digits as its factorization.

345430782637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 345430782637 in words is "three hundred forty-five billion, four hundred thirty million, seven hundred eighty-two thousand, six hundred thirty-seven".