425653422463 has 8 divisors (see below), whose sum is σ = 428226549408. Its totient is φ = 423080585184.

The previous prime is 425653422419. The next prime is 425653422497. The reversal of 425653422463 is 364224356524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425653422463 - 2⁹ = 425653421951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425653422413) 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, 3366945 + ... + 3491077.

It is an arithmetic number, because the mean of its divisors is an integer number (53528318676).

Almost surely, 2^425653422463 is an apocalyptic number.

425653422463 is a deficient number, since it is larger than the sum of its proper divisors (2573126945).

425653422463 is a wasteful number, since it uses less digits than its factorization.

425653422463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144833.

The product of its digits is 4147200, while the sum is 46.

Adding to 425653422463 its reverse (364224356524), we get a palindrome (789877778987).

It can be divided in two parts, 42565 and 3422463, that added together give a triangular number (3465028 = T₂₆₃₂).

The spelling of 425653422463 in words is "four hundred twenty-five billion, six hundred fifty-three million, four hundred twenty-two thousand, four hundred sixty-three".