2391689929286 has 16 divisors (see below), whose sum is σ = 4100582465280. Its totient is φ = 1024874323080.

The previous prime is 2391689929253. The next prime is 2391689929313. The reversal of 2391689929286 is 6829299861932.

It is a congruent number.

It is an unprimeable number.

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, 11194280 + ... + 11405931.

It is an arithmetic number, because the mean of its divisors is an integer number (256286404080).

Almost surely, 2^{2391689929286} is an apocalyptic number.

2391689929286 is a deficient number, since it is larger than the sum of its proper divisors (1708892535994).

2391689929286 is a wasteful number, since it uses less digits than its factorization.

2391689929286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22607779.

The product of its digits is 362797056, while the sum is 74.

The spelling of 2391689929286 in words is "two trillion, three hundred ninety-one billion, six hundred eighty-nine million, nine hundred twenty-nine thousand, two hundred eighty-six".