2491701927 has 32 divisors (see below), whose sum is σ = 3961386240. Its totient is φ = 1373137920.

The previous prime is 2491701899. The next prime is 2491701931. The reversal of 2491701927 is 7291071942.

It is not a de Polignac number, because 2491701927 - 2²² = 2487507623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491701977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14602 + ... + 72087.

It is an arithmetic number, because the mean of its divisors is an integer number (123793320).

Almost surely, 2^2491701927 is an apocalyptic number.

2491701927 is a deficient number, since it is larger than the sum of its proper divisors (1469684313).

2491701927 is a wasteful number, since it uses less digits than its factorization.

2491701927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86783.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 2491701927 is about 49916.9502974691. The cubic root of 2491701927 is about 1355.7055147743.

The spelling of 2491701927 in words is "two billion, four hundred ninety-one million, seven hundred one thousand, nine hundred twenty-seven".