4215861461 has 24 divisors (see below), whose sum is σ = 5148276480. Its totient is φ = 3437683200.

The previous prime is 4215861439. The next prime is 4215861469. The reversal of 4215861461 is 1641685124.

It is not a de Polignac number, because 4215861461 - 2¹⁰ = 4215860437 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 (4215861469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66101 + ... + 113141.

It is an arithmetic number, because the mean of its divisors is an integer number (214511520).

Almost surely, 2^4215861461 is an apocalyptic number.

It is an amenable number.

4215861461 is a deficient number, since it is larger than the sum of its proper divisors (932415019).

4215861461 is a wasteful number, since it uses less digits than its factorization.

4215861461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47145 (or 47138 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 4215861461 is about 64929.6654927468. The cubic root of 4215861461 is about 1615.4571529621.

The spelling of 4215861461 in words is "four billion, two hundred fifteen million, eight hundred sixty-one thousand, four hundred sixty-one".