345401135773 has 4 divisors (see below), whose sum is σ = 365718849660. Its totient is φ = 325083421888.

The previous prime is 345401135743. The next prime is 345401135837. The reversal of 345401135773 is 377531104543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152453545209 + 192947590564 = 390453^2 + 439258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345401135773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345401135743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10158856918 + ... + 10158856951.

It is an arithmetic number, because the mean of its divisors is an integer number (91429712415).

Almost surely, 2^345401135773 is an apocalyptic number.

It is an amenable number.

345401135773 is a deficient number, since it is larger than the sum of its proper divisors (20317713887).

345401135773 is a wasteful number, since it uses less digits than its factorization.

345401135773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317713886.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 345401135773 in words is "three hundred forty-five billion, four hundred one million, one hundred thirty-five thousand, seven hundred seventy-three".