345937600891 has 2 divisors, whose sum is σ = 345937600892. Its totient is φ = 345937600890.

The previous prime is 345937600777. The next prime is 345937600909. The reversal of 345937600891 is 198006739543.

It is a strong prime.

It is an emirp because it is prime and its reverse (198006739543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345937600891 - 2¹¹ = 345937598843 is a prime.

It is not a weakly prime, because it can be changed into another prime (345937600391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172968800445 + 172968800446.

It is an arithmetic number, because the mean of its divisors is an integer number (172968800446).

Almost surely, 2^345937600891 is an apocalyptic number.

345937600891 is a deficient number, since it is larger than the sum of its proper divisors (1).

345937600891 is an equidigital number, since it uses as much as digits as its factorization.

345937600891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 345937600891 in words is "three hundred forty-five billion, nine hundred thirty-seven million, six hundred thousand, eight hundred ninety-one".