2691047355 has 8 divisors (see below), whose sum is σ = 4305675792. Its totient is φ = 1435225248.

The previous prime is 2691047347. The next prime is 2691047363. The reversal of 2691047355 is 5537401962.

It is an interprime number because it is at equal distance from previous prime (2691047347) and next prime (2691047363).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2691047355 - 2³ = 2691047347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89701564 + ... + 89701593.

It is an arithmetic number, because the mean of its divisors is an integer number (538209474).

Almost surely, 2^2691047355 is an apocalyptic number.

2691047355 is a deficient number, since it is larger than the sum of its proper divisors (1614628437).

2691047355 is a wasteful number, since it uses less digits than its factorization.

2691047355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179403165.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2691047355 is about 51875.3058304238. The cubic root of 2691047355 is about 1390.9358904327.

The spelling of 2691047355 in words is "two billion, six hundred ninety-one million, forty-seven thousand, three hundred fifty-five".