426642650245 has 32 divisors (see below), whose sum is σ = 619575042816. Its totient is φ = 275325004800.

The previous prime is 426642650237. The next prime is 426642650263. The reversal of 426642650245 is 542056246624.

It is not a de Polignac number, because 426642650245 - 2³ = 426642650237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426642650195 and 426642650204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13515130 + ... + 13546660.

It is an arithmetic number, because the mean of its divisors is an integer number (19361720088).

Almost surely, 2^426642650245 is an apocalyptic number.

It is an amenable number.

426642650245 is a deficient number, since it is larger than the sum of its proper divisors (192932392571).

426642650245 is a wasteful number, since it uses less digits than its factorization.

426642650245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54301.

The product of its (nonzero) digits is 2764800, while the sum is 46.

Adding to 426642650245 its reverse (542056246624), we get a palindrome (968698896869).

The spelling of 426642650245 in words is "four hundred twenty-six billion, six hundred forty-two million, six hundred fifty thousand, two hundred forty-five".