349865455087 has 2 divisors, whose sum is σ = 349865455088. Its totient is φ = 349865455086.

The previous prime is 349865455067. The next prime is 349865455097. The reversal of 349865455087 is 780554568943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349865455087 is a prime.

It is a super-2 number, since 2×349865455087² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349865455007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174932727543 + 174932727544.

It is an arithmetic number, because the mean of its divisors is an integer number (174932727544).

Almost surely, 2^349865455087 is an apocalyptic number.

349865455087 is a deficient number, since it is larger than the sum of its proper divisors (1).

349865455087 is an equidigital number, since it uses as much as digits as its factorization.

349865455087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 349865455087 in words is "three hundred forty-nine billion, eight hundred sixty-five million, four hundred fifty-five thousand, eighty-seven".