2709759690 has 128 divisors (see below), whose sum is σ = 8012701440. Its totient is φ = 646099200.

The previous prime is 2709759653. The next prime is 2709759691. The reversal of 2709759690 is 969579072.

It is a super-2 number, since 2×2709759690² = 14685595155097792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2709759691) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173692 + ... + 188648.

It is an arithmetic number, because the mean of its divisors is an integer number (62599230).

Almost surely, 2^2709759690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2709759690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4006350720).

2709759690 is an abundant number, since it is smaller than the sum of its proper divisors (5302941750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2709759690 is a wasteful number, since it uses less digits than its factorization.

2709759690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045 (or 15039 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 2709759690 is about 52055.3521743922. The cubic root of 2709759690 is about 1394.1524276741.

The spelling of 2709759690 in words is "two billion, seven hundred nine million, seven hundred fifty-nine thousand, six hundred ninety".