649061775294 has 8 divisors (see below), whose sum is σ = 1298123550600. Its totient is φ = 216353925096.

The previous prime is 649061775277. The next prime is 649061775343. The reversal of 649061775294 is 492577160946.

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

649061775294 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54088481269 + ... + 54088481280.

It is an arithmetic number, because the mean of its divisors is an integer number (162265443825).

Almost surely, 2^649061775294 is an apocalyptic number.

649061775294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

649061775294 is a wasteful number, since it uses less digits than its factorization.

649061775294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108176962554.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 649061775294 in words is "six hundred forty-nine billion, sixty-one million, seven hundred seventy-five thousand, two hundred ninety-four".