641110047 has 8 divisors (see below), whose sum is σ = 884289840. Its totient is φ = 412668480.

The previous prime is 641110037. The next prime is 641110051. The reversal of 641110047 is 740011146.

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

It is not a de Polignac number, because 641110047 - 2⁶ = 641109983 is a prime.

It is a super-2 number, since 2×641110047² = 822044184728684418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641109999 and 641110026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641110037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684454 + ... + 3684627.

It is an arithmetic number, because the mean of its divisors is an integer number (110536230).

Almost surely, 2^641110047 is an apocalyptic number.

641110047 is a deficient number, since it is larger than the sum of its proper divisors (243179793).

641110047 is a wasteful number, since it uses less digits than its factorization.

641110047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369113.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 641110047 is about 25320.1510066587. The cubic root of 641110047 is about 862.2718223538.

It can be divided in two parts, 64 and 1110047, that added together give a palindrome (1110111).

The spelling of 641110047 in words is "six hundred forty-one million, one hundred ten thousand, forty-seven".