6435660620461 has 8 divisors (see below), whose sum is σ = 6449921217920. Its totient is φ = 6421401578592.

The previous prime is 6435660620423. The next prime is 6435660620507. The reversal of 6435660620461 is 1640260665346.

6435660620461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6435660620461 - 2¹⁵ = 6435660587693 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 (6435660620161) 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, 8099410 + ... + 8858428.

It is an arithmetic number, because the mean of its divisors is an integer number (806240152240).

Almost surely, 2^{6435660620461} is an apocalyptic number.

It is an amenable number.

6435660620461 is a deficient number, since it is larger than the sum of its proper divisors (14260597459).

6435660620461 is a wasteful number, since it uses less digits than its factorization.

6435660620461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777795.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 6435660620461 in words is "six trillion, four hundred thirty-five billion, six hundred sixty million, six hundred twenty thousand, four hundred sixty-one".