2390691727 has 4 divisors (see below), whose sum is σ = 2402827416. Its totient is φ = 2378556040.

The previous prime is 2390691689. The next prime is 2390691731. The reversal of 2390691727 is 7271960932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2390691727 - 2³¹ = 243208079 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 (2390691757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6067549 + ... + 6067942.

It is an arithmetic number, because the mean of its divisors is an integer number (600706854).

Almost surely, 2^2390691727 is an apocalyptic number.

2390691727 is a deficient number, since it is larger than the sum of its proper divisors (12135689).

2390691727 is a wasteful number, since it uses less digits than its factorization.

2390691727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135688.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 2390691727 is about 48894.7003978959. The cubic root of 2390691727 is about 1337.1327507382.

The spelling of 2390691727 in words is "two billion, three hundred ninety million, six hundred ninety-one thousand, seven hundred twenty-seven".