345094767581 has 2 divisors, whose sum is σ = 345094767582. Its totient is φ = 345094767580.

The previous prime is 345094767551. The next prime is 345094767601. The reversal of 345094767581 is 185767490543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334854339556 + 10240428025 = 578666^2 + 101195^2 .

It is a cyclic number.

It is not a de Polignac number, because 345094767581 - 2¹⁰ = 345094766557 is a prime.

It is a super-2 number, since 2×345094767581² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345094767581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345094767551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172547383790 + 172547383791.

It is an arithmetic number, because the mean of its divisors is an integer number (172547383791).

Almost surely, 2^345094767581 is an apocalyptic number.

It is an amenable number.

345094767581 is a deficient number, since it is larger than the sum of its proper divisors (1).

345094767581 is an equidigital number, since it uses as much as digits as its factorization.

345094767581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 345094767581 in words is "three hundred forty-five billion, ninety-four million, seven hundred sixty-seven thousand, five hundred eighty-one".