6430081461 has 4 divisors (see below), whose sum is σ = 8573441952. Its totient is φ = 4286720972.

The previous prime is 6430081459. The next prime is 6430081487. The reversal of 6430081461 is 1641800346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6430081461 - 2¹ = 6430081459 is a prime.

It is a super-3 number, since 3×6430081461³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430081451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071680241 + ... + 1071680246.

It is an arithmetic number, because the mean of its divisors is an integer number (2143360488).

Almost surely, 2^6430081461 is an apocalyptic number.

It is an amenable number.

6430081461 is a deficient number, since it is larger than the sum of its proper divisors (2143360491).

6430081461 is a wasteful number, since it uses less digits than its factorization.

6430081461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143360490.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6430081461 is about 80187.7887274615. The cubic root of 6430081461 is about 1859.5398581378.

The spelling of 6430081461 in words is "six billion, four hundred thirty million, eighty-one thousand, four hundred sixty-one".