2749681029 has 4 divisors (see below), whose sum is σ = 3666241376. Its totient is φ = 1833120684.

The previous prime is 2749681009. The next prime is 2749681037. The reversal of 2749681029 is 9201869472.

2749681029 is digitally balanced in base 2 and base 4, because in such bases 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 de Polignac number, because none of the positive numbers 2^k-2749681029 is a prime.

It is a super-2 number, since 2×2749681029² = 15121491522484997682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749681009) 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, 458280169 + ... + 458280174.

It is an arithmetic number, because the mean of its divisors is an integer number (916560344).

Almost surely, 2^2749681029 is an apocalyptic number.

It is an amenable number.

2749681029 is a deficient number, since it is larger than the sum of its proper divisors (916560347).

2749681029 is an equidigital number, since it uses as much as digits as its factorization.

2749681029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916560346.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2749681029 is about 52437.4010511581. The cubic root of 2749681029 is about 1400.9654953977.

The spelling of 2749681029 in words is "two billion, seven hundred forty-nine million, six hundred eighty-one thousand, twenty-nine".