2691928249345 has 16 divisors (see below), whose sum is σ = 3301128483840. Its totient is φ = 2106390779584.

The previous prime is 2691928249289. The next prime is 2691928249357. The reversal of 2691928249345 is 5439428291962.

It is a cyclic number.

It is not a de Polignac number, because 2691928249345 - 2¹⁷ = 2691928118273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3246130 + ... + 3990139.

It is an arithmetic number, because the mean of its divisors is an integer number (206320530240).

Almost surely, 2^{2691928249345} is an apocalyptic number.

It is an amenable number.

2691928249345 is a deficient number, since it is larger than the sum of its proper divisors (609200234495).

2691928249345 is a wasteful number, since it uses less digits than its factorization.

2691928249345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237904.

The product of its digits is 67184640, while the sum is 64.

The spelling of 2691928249345 in words is "two trillion, six hundred ninety-one billion, nine hundred twenty-eight million, two hundred forty-nine thousand, three hundred forty-five".