345425625447 has 32 divisors (see below), whose sum is σ = 531855068160. Its totient is φ = 195329249280.

The previous prime is 345425625439. The next prime is 345425625509. The reversal of 345425625447 is 744526524543.

It is not a de Polignac number, because 345425625447 - 2³ = 345425625439 is a prime.

It is a super-2 number, since 2×345425625447² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345425625447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345425627447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2990997 + ... + 3104337.

It is an arithmetic number, because the mean of its divisors is an integer number (16620470880).

Almost surely, 2^345425625447 is an apocalyptic number.

345425625447 is a deficient number, since it is larger than the sum of its proper divisors (186429442713).

345425625447 is a wasteful number, since it uses less digits than its factorization.

345425625447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114863.

The product of its digits is 16128000, while the sum is 51.

The spelling of 345425625447 in words is "three hundred forty-five billion, four hundred twenty-five million, six hundred twenty-five thousand, four hundred forty-seven".