4636461421 has 8 divisors (see below), whose sum is σ = 4648466880. Its totient is φ = 4624468992.

The previous prime is 4636461367. The next prime is 4636461433. The reversal of 4636461421 is 1241646364.

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 4636461421 - 2⁷ = 4636461293 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 (4636461481) 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, 1391085 + ... + 1394413.

It is an arithmetic number, because the mean of its divisors is an integer number (581058360).

Almost surely, 2^4636461421 is an apocalyptic number.

It is an amenable number.

4636461421 is a deficient number, since it is larger than the sum of its proper divisors (12005459).

4636461421 is a wasteful number, since it uses less digits than its factorization.

4636461421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515.

The product of its digits is 82944, while the sum is 37.

The square root of 4636461421 is about 68091.5664454857. The cubic root of 4636461421 is about 1667.4860787034.

The spelling of 4636461421 in words is "four billion, six hundred thirty-six million, four hundred sixty-one thousand, four hundred twenty-one".