6541792779 has 8 divisors (see below), whose sum is σ = 9101624832. Its totient is φ = 4171577960.

The previous prime is 6541792771. The next prime is 6541792787. The reversal of 6541792779 is 9772971456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6541792771) and next prime (6541792787).

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 6541792779 - 2³ = 6541792771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6541792771) 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, 47404227 + ... + 47404364.

It is an arithmetic number, because the mean of its divisors is an integer number (1137703104).

Almost surely, 2^6541792779 is an apocalyptic number.

6541792779 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

6541792779 is a deficient number, since it is larger than the sum of its proper divisors (2559832053).

6541792779 is a wasteful number, since it uses less digits than its factorization.

6541792779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94808617.

The product of its digits is 6667920, while the sum is 57.

The square root of 6541792779 is about 80881.3500072792. The cubic root of 6541792779 is about 1870.2468316881.

The spelling of 6541792779 in words is "six billion, five hundred forty-one million, seven hundred ninety-two thousand, seven hundred seventy-nine".