6128261494 has 4 divisors (see below), whose sum is σ = 9192392244. Its totient is φ = 3064130746.

The previous prime is 6128261459. The next prime is 6128261533. The reversal of 6128261494 is 4941628216.

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

It is a super-2 number, since 2×6128261494² = 75111177877686224072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6128261494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1532065372 + ... + 1532065375.

It is an arithmetic number, because the mean of its divisors is an integer number (2298098061).

Almost surely, 2^6128261494 is an apocalyptic number.

6128261494 is a deficient number, since it is larger than the sum of its proper divisors (3064130750).

6128261494 is a wasteful number, since it uses less digits than its factorization.

6128261494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064130749.

The product of its digits is 165888, while the sum is 43.

The square root of 6128261494 is about 78283.2133602090. The cubic root of 6128261494 is about 1829.9775539465.

The spelling of 6128261494 in words is "six billion, one hundred twenty-eight million, two hundred sixty-one thousand, four hundred ninety-four".