649394191032462 has 16 divisors (see below), whose sum is σ = 1443098202294480. Its totient is φ = 216464730344136.

The previous prime is 649394191032451. The next prime is 649394191032497. The reversal of 649394191032462 is 264230191493946.

It is a happy number.

649394191032462 is a `hidden beast` number, since 6 + 4 + 9 + 39 + 419 + 103 + 24 + 62 = 666.

649394191032462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 649394191032462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6012909176173 + ... + 6012909176280.

It is an arithmetic number, because the mean of its divisors is an integer number (90193637643405).

Almost surely, 2^{649394191032462} is an apocalyptic number.

649394191032462 is an abundant number, since it is smaller than the sum of its proper divisors (793704011262018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649394191032462 is a wasteful number, since it uses less digits than its factorization.

649394191032462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12025818352464 (or 12025818352458 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 63.

The spelling of 649394191032462 in words is "six hundred forty-nine trillion, three hundred ninety-four billion, one hundred ninety-one million, thirty-two thousand, four hundred sixty-two".