2729670769 has 4 divisors (see below), whose sum is σ = 3119623744. Its totient is φ = 2339717796.

The previous prime is 2729670767. The next prime is 2729670781. The reversal of 2729670769 is 9670769272.

2729670769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2729670769 - 2¹ = 2729670767 is a prime.

It is a super-2 number, since 2×2729670769² = 14902205014266102722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2729670763) 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, 194976477 + ... + 194976490.

It is an arithmetic number, because the mean of its divisors is an integer number (779905936).

Almost surely, 2^2729670769 is an apocalyptic number.

It is an amenable number.

2729670769 is a deficient number, since it is larger than the sum of its proper divisors (389952975).

2729670769 is an equidigital number, since it uses as much as digits as its factorization.

2729670769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389952974.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The square root of 2729670769 is about 52246.2512435103. The cubic root of 2729670769 is about 1397.5588016771.

The spelling of 2729670769 in words is "two billion, seven hundred twenty-nine million, six hundred seventy thousand, seven hundred sixty-nine".