651426001613 has 8 divisors (see below), whose sum is σ = 653599888128. Its totient is φ = 649255737024.

The previous prime is 651426001579. The next prime is 651426001619. The reversal of 651426001613 is 316100624156.

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 651426001613 - 2¹⁸ = 651425739469 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 (651426001619) 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, 544931 + ... + 1264832.

It is an arithmetic number, because the mean of its divisors is an integer number (81699986016).

Almost surely, 2^651426001613 is an apocalyptic number.

It is an amenable number.

651426001613 is a deficient number, since it is larger than the sum of its proper divisors (2173886515).

651426001613 is a wasteful number, since it uses less digits than its factorization.

651426001613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810963.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 651426001613 its reverse (316100624156), we get a palindrome (967526625769).

The spelling of 651426001613 in words is "six hundred fifty-one billion, four hundred twenty-six million, one thousand, six hundred thirteen".