2739391002 has 28 divisors (see below), whose sum is σ = 6160814730. Its totient is φ = 913129848.

The previous prime is 2739391001. The next prime is 2739391003. The reversal of 2739391002 is 2001939372.

It is an interprime number because it is at equal distance from previous prime (2739391001) and next prime (2739391003).

It can be written as a sum of positive squares in only one way, i.e., 2354093361 + 385297641 = 48519^2 + 19629^2 .

It is not an unprimeable number, because it can be changed into a prime (2739391001) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 937977 + ... + 940892.

Almost surely, 2^2739391002 is an apocalyptic number.

2739391002 is an abundant number, since it is smaller than the sum of its proper divisors (3421423728).

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

2739391002 is an equidigital number, since it uses as much as digits as its factorization.

2739391002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878889 (or 1878874 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 2739391002 is about 52339.1918355643. The cubic root of 2739391002 is about 1399.2157175283.

The spelling of 2739391002 in words is "two billion, seven hundred thirty-nine million, three hundred ninety-one thousand, two".