2047407638 has 4 divisors (see below), whose sum is σ = 3071111460. Its totient is φ = 1023703818.

The previous prime is 2047407623. The next prime is 2047407667. The reversal of 2047407638 is 8367047402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2047407638² = 8383756072281478088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2047407595 and 2047407604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511851908 + ... + 511851911.

It is an arithmetic number, because the mean of its divisors is an integer number (767777865).

Almost surely, 2^2047407638 is an apocalyptic number.

2047407638 is a deficient number, since it is larger than the sum of its proper divisors (1023703822).

2047407638 is a wasteful number, since it uses less digits than its factorization.

2047407638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023703821.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 2047407638 is about 45248.2887853231. The cubic root of 2047407638 is about 1269.7983927809.

The spelling of 2047407638 in words is "two billion, forty-seven million, four hundred seven thousand, six hundred thirty-eight".