2487723391 has 2 divisors, whose sum is σ = 2487723392. Its totient is φ = 2487723390.

The previous prime is 2487723389. The next prime is 2487723439. The reversal of 2487723391 is 1933277842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2487723391 - 2¹ = 2487723389 is a prime.

It is a super-3 number, since 3×2487723391³ (a number of 29 digits) contains 333 as substring.

Together with 2487723389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487723331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243861695 + 1243861696.

It is an arithmetic number, because the mean of its divisors is an integer number (1243861696).

Almost surely, 2^2487723391 is an apocalyptic number.

2487723391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487723391 is an equidigital number, since it uses as much as digits as its factorization.

2487723391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 2487723391 is about 49877.0828236776. The cubic root of 2487723391 is about 1354.9835722831.

The spelling of 2487723391 in words is "two billion, four hundred eighty-seven million, seven hundred twenty-three thousand, three hundred ninety-one".