407071673649 has 24 divisors (see below), whose sum is σ = 588887382720. Its totient is φ = 270968287392.

The previous prime is 407071673647. The next prime is 407071673677. The reversal of 407071673649 is 946376170704.

407071673649 is a `hidden beast` number, since 407 + 0 + 7 + 167 + 36 + 49 = 666.

It is not a de Polignac number, because 407071673649 - 2¹ = 407071673647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 407071673595 and 407071673604.

It is not an unprimeable number, because it can be changed into a prime (407071673647) 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, 27161412 + ... + 27176394.

It is an arithmetic number, because the mean of its divisors is an integer number (24536974280).

Almost surely, 2^407071673649 is an apocalyptic number.

It is an amenable number.

407071673649 is a deficient number, since it is larger than the sum of its proper divisors (181815709071).

407071673649 is a wasteful number, since it uses less digits than its factorization.

407071673649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19381 (or 19378 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 407071673649 in words is "four hundred seven billion, seventy-one million, six hundred seventy-three thousand, six hundred forty-nine".