346221625045 has 16 divisors (see below), whose sum is σ = 422307510768. Its totient is φ = 272416919040.

The previous prime is 346221625019. The next prime is 346221625063. The reversal of 346221625045 is 540526122643.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 57803218929 + 288418406116 = 240423^2 + 537046^2 .

It is not a de Polignac number, because 346221625045 - 2²¹ = 346219527893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346221624989 and 346221625007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5304147 + ... + 5369023.

It is an arithmetic number, because the mean of its divisors is an integer number (26394219423).

Almost surely, 2^346221625045 is an apocalyptic number.

It is an amenable number.

346221625045 is a deficient number, since it is larger than the sum of its proper divisors (76085885723).

346221625045 is a wasteful number, since it uses less digits than its factorization.

346221625045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82440.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 346221625045 its reverse (540526122643), we get a palindrome (886747747688).

The spelling of 346221625045 in words is "three hundred forty-six billion, two hundred twenty-one million, six hundred twenty-five thousand, forty-five".