613630351421 has 8 divisors (see below), whose sum is σ = 615023085600. Its totient is φ = 612237885040.

The previous prime is 613630351393. The next prime is 613630351447. The reversal of 613630351421 is 124153036316.

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 613630351421 - 2²⁶ = 613563242557 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 (613630351721) 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, 4944710 + ... + 5067288.

It is an arithmetic number, because the mean of its divisors is an integer number (76877885700).

Almost surely, 2^613630351421 is an apocalyptic number.

It is an amenable number.

613630351421 is a deficient number, since it is larger than the sum of its proper divisors (1392734179).

613630351421 is a wasteful number, since it uses less digits than its factorization.

613630351421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133899.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 613630351421 its reverse (124153036316), we get a palindrome (737783387737).

The spelling of 613630351421 in words is "six hundred thirteen billion, six hundred thirty million, three hundred fifty-one thousand, four hundred twenty-one".