649426124234 has 32 divisors (see below), whose sum is σ = 1007099412480.
Its totient is φ = 313758759600.
The previous prime is 649426124231. The next prime is 649426124261. The reversal of 649426124234 is 432421624946.
It is a happy number.
649426124234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (649426124231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193337447 + ... + 193340805.
It is an arithmetic number, because the mean of its divisors is an integer number (31471856640).
Almost surely, 2649426124234 is an apocalyptic number.
649426124234 is a deficient number, since it is larger than the sum of its proper divisors (357673288246).
649426124234 is a wasteful number, since it uses less digits than its factorization.
649426124234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7226.
The product of its digits is 1990656, while the sum is 47.
The spelling of 649426124234 in words is "six hundred forty-nine billion, four hundred twenty-six million, one hundred twenty-four thousand, two hundred thirty-four".