2312049721 has 16 divisors (see below), whose sum is σ = 2359044864. Its totient is φ = 2265709824.

The previous prime is 2312049683. The next prime is 2312049731. The reversal of 2312049721 is 1279402132.

It is a cyclic number.

It is not a de Polignac number, because 2312049721 - 2¹⁷ = 2311918649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312049731) 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, 6299680 + ... + 6300046.

It is an arithmetic number, because the mean of its divisors is an integer number (147440304).

Almost surely, 2^2312049721 is an apocalyptic number.

It is an amenable number.

2312049721 is a deficient number, since it is larger than the sum of its proper divisors (46995143).

2312049721 is a wasteful number, since it uses less digits than its factorization.

2312049721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2312049721 is about 48083.7781481447. The cubic root of 2312049721 is about 1322.3072825696.

The spelling of 2312049721 in words is "two billion, three hundred twelve million, forty-nine thousand, seven hundred twenty-one".