245376331646 has 16 divisors (see below), whose sum is σ = 371677269600. Its totient is φ = 121484160768.

The previous prime is 245376331643. The next prime is 245376331691. The reversal of 245376331646 is 646133673542.

It is a junction number, because it is equal to n+sod(n) for n = 245376331594 and 245376331603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245376331643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061650 + ... + 2177418.

It is an arithmetic number, because the mean of its divisors is an integer number (23229829350).

Almost surely, 2^245376331646 is an apocalyptic number.

245376331646 is a deficient number, since it is larger than the sum of its proper divisors (126300937954).

245376331646 is a wasteful number, since it uses less digits than its factorization.

245376331646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126163.

The product of its digits is 6531840, while the sum is 50.

The spelling of 245376331646 in words is "two hundred forty-five billion, three hundred seventy-six million, three hundred thirty-one thousand, six hundred forty-six".