681046047 has 12 divisors (see below), whose sum is σ = 1073163624. Its totient is φ = 412755120.

The previous prime is 681046019. The next prime is 681046049. The reversal of 681046047 is 740640186.

It is not a de Polignac number, because 681046047 - 2¹² = 681041951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681046049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3439528 + ... + 3439725.

It is an arithmetic number, because the mean of its divisors is an integer number (89430302).

Almost surely, 2^681046047 is an apocalyptic number.

681046047 is a deficient number, since it is larger than the sum of its proper divisors (392117577).

681046047 is a wasteful number, since it uses less digits than its factorization.

681046047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879270 (or 6879267 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 681046047 is about 26096.8589489233. The cubic root of 681046047 is about 879.8166142485.

The spelling of 681046047 in words is "six hundred eighty-one million, forty-six thousand, forty-seven".