345421838061 has 12 divisors (see below), whose sum is σ = 512427592092. Its totient is φ = 224057408256.

The previous prime is 345421838053. The next prime is 345421838077. The reversal of 345421838061 is 160838124543.

345421838061 is a `hidden beast` number, since 3 + 4 + 54 + 218 + 380 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 307781957961 + 37639880100 = 554781^2 + 194010^2 .

It is not a de Polignac number, because 345421838061 - 2³ = 345421838053 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 345421837998 and 345421838016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345421818061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518651076 + ... + 518651741.

It is an arithmetic number, because the mean of its divisors is an integer number (42702299341).

Almost surely, 2^345421838061 is an apocalyptic number.

It is an amenable number.

345421838061 is a deficient number, since it is larger than the sum of its proper divisors (167005754031).

345421838061 is a wasteful number, since it uses less digits than its factorization.

345421838061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037302860 (or 1037302857 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 345421838061 in words is "three hundred forty-five billion, four hundred twenty-one million, eight hundred thirty-eight thousand, sixty-one".