6405261094 has 4 divisors (see below), whose sum is σ = 9607891644. Its totient is φ = 3202630546.

The previous prime is 6405261091. The next prime is 6405261167. The reversal of 6405261094 is 4901625046.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405261091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601315272 + ... + 1601315275.

It is an arithmetic number, because the mean of its divisors is an integer number (2401972911).

Almost surely, 2^6405261094 is an apocalyptic number.

6405261094 is a deficient number, since it is larger than the sum of its proper divisors (3202630550).

6405261094 is a wasteful number, since it uses less digits than its factorization.

6405261094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202630549.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 6405261094 is about 80032.8750826809. The cubic root of 6405261094 is about 1857.1441406703.

The spelling of 6405261094 in words is "six billion, four hundred five million, two hundred sixty-one thousand, ninety-four".