49193439064 has 48 divisors (see below), whose sum is σ = 117051189480. Its totient is φ = 19166273280.

The previous prime is 49193439023. The next prime is 49193439079. The reversal of 49193439064 is 46093439194.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5699937 + ... + 5708560.

Almost surely, 2^49193439064 is an apocalyptic number.

49193439064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49193439064 is an abundant number, since it is smaller than the sum of its proper divisors (67857750416).

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

49193439064 is a wasteful number, since it uses less digits than its factorization.

49193439064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408528 (or 11408517 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 49193439064 in words is "forty-nine billion, one hundred ninety-three million, four hundred thirty-nine thousand, sixty-four".