345033011987 has 2 divisors, whose sum is σ = 345033011988. Its totient is φ = 345033011986.

The previous prime is 345033011963. The next prime is 345033012013. The reversal of 345033011987 is 789110330543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345033011987 is a prime.

It is not a weakly prime, because it can be changed into another prime (345033011927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172516505993 + 172516505994.

It is an arithmetic number, because the mean of its divisors is an integer number (172516505994).

Almost surely, 2^345033011987 is an apocalyptic number.

345033011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

345033011987 is an equidigital number, since it uses as much as digits as its factorization.

345033011987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 345033011987 in words is "three hundred forty-five billion, thirty-three million, eleven thousand, nine hundred eighty-seven".