6415897461 has 8 divisors (see below), whose sum is σ = 9057737664. Its totient is φ = 4025661120.

The previous prime is 6415897459. The next prime is 6415897469. The reversal of 6415897461 is 1647985146.

6415897461 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 not a de Polignac number, because 6415897461 - 2¹ = 6415897459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 125801911 = 6415897461 / (6 + 4 + 1 + 5 + 8 + 9 + 7 + 4 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415897469) 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, 62900905 + ... + 62901006.

It is an arithmetic number, because the mean of its divisors is an integer number (1132217208).

Almost surely, 2^6415897461 is an apocalyptic number.

It is an amenable number.

6415897461 is a deficient number, since it is larger than the sum of its proper divisors (2641840203).

6415897461 is a wasteful number, since it uses less digits than its factorization.

6415897461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125801931.

The product of its digits is 1451520, while the sum is 51.

The square root of 6415897461 is about 80099.2975062828. The cubic root of 6415897461 is about 1858.1715431218.

The spelling of 6415897461 in words is "six billion, four hundred fifteen million, eight hundred ninety-seven thousand, four hundred sixty-one".