2347001649 has 28 divisors (see below), whose sum is σ = 3614039476. Its totient is φ = 1522361952.

The previous prime is 2347001641. The next prime is 2347001659. The reversal of 2347001649 is 9461007432.

2347001649 is a `hidden beast` number, since 2 + 3 + 4 + 7 + 0 + 0 + 1 + 649 = 666.

2347001649 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1439064225 + 907937424 = 37935^2 + 30132^2 .

It is not a de Polignac number, because 2347001649 - 2³ = 2347001641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2347001641) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16534 + ... + 70479.

Almost surely, 2^2347001649 is an apocalyptic number.

It is an amenable number.

2347001649 is a deficient number, since it is larger than the sum of its proper divisors (1267037827).

2347001649 is an frugal number, since it uses more digits than its factorization.

2347001649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87068 (or 87053 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2347001649 is about 48445.8630741573. The cubic root of 2347001649 is about 1328.9372196444.

The spelling of 2347001649 in words is "two billion, three hundred forty-seven million, one thousand, six hundred forty-nine".