2047953649 has 24 divisors (see below), whose sum is σ = 2506347648. Its totient is φ = 1635173760.

The previous prime is 2047953631. The next prime is 2047953667. The reversal of 2047953649 is 9463597402.

It is an interprime number because it is at equal distance from previous prime (2047953631) and next prime (2047953667).

It is not a de Polignac number, because 2047953649 - 2⁵ = 2047953617 is a prime.

It is a super-2 number, since 2×2047953649² = 8388228296904830402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2047953049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3676479 + ... + 3677035.

It is an arithmetic number, because the mean of its divisors is an integer number (104431152).

Almost surely, 2^2047953649 is an apocalyptic number.

It is an amenable number.

2047953649 is a deficient number, since it is larger than the sum of its proper divisors (458393999).

2047953649 is an frugal number, since it uses more digits than its factorization.

2047953649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 2047953649 is about 45254.3218820037. The cubic root of 2047953649 is about 1269.9112610822.

The spelling of 2047953649 in words is "two billion, forty-seven million, nine hundred fifty-three thousand, six hundred forty-nine".