2491140567 has 8 divisors (see below), whose sum is σ = 3321788800. Its totient is φ = 1660626360.

The previous prime is 2491140541. The next prime is 2491140599. The reversal of 2491140567 is 7650411942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2491140567 - 2¹¹ = 2491138519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491140667) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 23934 + ... + 74532.

It is an arithmetic number, because the mean of its divisors is an integer number (415223600).

Almost surely, 2^2491140567 is an apocalyptic number.

2491140567 is a deficient number, since it is larger than the sum of its proper divisors (830648233).

2491140567 is a wasteful number, since it uses less digits than its factorization.

2491140567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67013.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2491140567 is about 49911.3270410635. The cubic root of 2491140567 is about 1355.6036973514.

The spelling of 2491140567 in words is "two billion, four hundred ninety-one million, one hundred forty thousand, five hundred sixty-seven".