2709961397 has 16 divisors (see below), whose sum is σ = 3192467712. Its totient is φ = 2267853120.

The previous prime is 2709961357. The next prime is 2709961399. The reversal of 2709961397 is 7931699072.

It is a happy number.

2709961397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2709961397 - 2²² = 2705767093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2709961399) 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, 26663 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (199529232).

Almost surely, 2^2709961397 is an apocalyptic number.

It is an amenable number.

2709961397 is a deficient number, since it is larger than the sum of its proper divisors (482506315).

2709961397 is a wasteful number, since it uses less digits than its factorization.

2709961397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52028.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 2709961397 is about 52057.2895663998. The cubic root of 2709961397 is about 1394.1870190965.

The spelling of 2709961397 in words is "two billion, seven hundred nine million, nine hundred sixty-one thousand, three hundred ninety-seven".