2734779459 has 16 divisors (see below), whose sum is σ = 3919956480. Its totient is φ = 1690477920.

The previous prime is 2734779457. The next prime is 2734779503. The reversal of 2734779459 is 9549774372.

It is a happy number.

It is not a de Polignac number, because 2734779459 - 2¹ = 2734779457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 2734779399 and 2734779408.

It is not an unprimeable number, because it can be changed into a prime (2734779457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507732 + ... + 513089.

It is an arithmetic number, because the mean of its divisors is an integer number (244997280).

Almost surely, 2^2734779459 is an apocalyptic number.

2734779459 is a deficient number, since it is larger than the sum of its proper divisors (1185177021).

2734779459 is a wasteful number, since it uses less digits than its factorization.

2734779459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020890.

The product of its digits is 13335840, while the sum is 57.

The square root of 2734779459 is about 52295.1188831233. The cubic root of 2734779459 is about 1398.4301210690.

The spelling of 2734779459 in words is "two billion, seven hundred thirty-four million, seven hundred seventy-nine thousand, four hundred fifty-nine".