2309706530 has 16 divisors (see below), whose sum is σ = 4402029240. Its totient is φ = 869536512.

The previous prime is 2309706527. The next prime is 2309706541. The reversal of 2309706530 is 356079032.

It can be written as a sum of positive squares in 4 ways, for example, as 2060161321 + 249545209 = 45389^2 + 15797^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6793085 + ... + 6793424.

Almost surely, 2^2309706530 is an apocalyptic number.

2309706530 is a deficient number, since it is larger than the sum of its proper divisors (2092322710).

2309706530 is a wasteful number, since it uses less digits than its factorization.

2309706530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13586533.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 2309706530 is about 48059.4062593370. The cubic root of 2309706530 is about 1321.8604257103.

The spelling of 2309706530 in words is "two billion, three hundred nine million, seven hundred six thousand, five hundred thirty".