6140776491 has 24 divisors (see below), whose sum is σ = 8958950000. Its totient is φ = 4052866752.

The previous prime is 6140776483. The next prime is 6140776507. The reversal of 6140776491 is 1946770416.

It is not a de Polignac number, because 6140776491 - 2³ = 6140776483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6140776441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1753260 + ... + 1756758.

Almost surely, 2^6140776491 is an apocalyptic number.

6140776491 is a deficient number, since it is larger than the sum of its proper divisors (2818173509).

6140776491 is a wasteful number, since it uses less digits than its factorization.

6140776491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403 (or 5400 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 6140776491 is about 78363.1066956894. The cubic root of 6140776491 is about 1831.2224198403. Note that the first 3 decimals are identical.

The spelling of 6140776491 in words is "six billion, one hundred forty million, seven hundred seventy-six thousand, four hundred ninety-one".