2047997953 has 8 divisors (see below), whose sum is σ = 2060640000. Its totient is φ = 2035379808.

The previous prime is 2047997849. The next prime is 2047997971. The reversal of 2047997953 is 3597997402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2047997953 - 2¹³ = 2047989761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2047997894 and 2047997903.

It is not an unprimeable number, because it can be changed into a prime (2047997983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184248 + ... + 195046.

It is an arithmetic number, because the mean of its divisors is an integer number (257580000).

Almost surely, 2^2047997953 is an apocalyptic number.

It is an amenable number.

2047997953 is a deficient number, since it is larger than the sum of its proper divisors (12642047).

2047997953 is a wasteful number, since it uses less digits than its factorization.

2047997953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The square root of 2047997953 is about 45254.8113795649. The cubic root of 2047997953 is about 1269.9204184742.

It can be divided in two parts, 2047 and 997953, that added together give a 6-th power (1000000 = 10⁶).

The spelling of 2047997953 in words is "two billion, forty-seven million, nine hundred ninety-seven thousand, nine hundred fifty-three".