49699657970688 has 352 divisors, whose sum is σ = 150245466255360. Its totient is φ = 14469783552000.

The previous prime is 49699657970623. The next prime is 49699657970713. The reversal of 49699657970688 is 88607975699694.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (93).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145439068 + ... + 145780388.

Almost surely, 2^{49699657970688} is an apocalyptic number.

49699657970688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49699657970688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75122733127680).

49699657970688 is an abundant number, since it is smaller than the sum of its proper divisors (100545808284672).

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

49699657970688 is a wasteful number, since it uses less digits than its factorization.

49699657970688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341525 (or 341507 counting only the distinct ones).

The product of its (nonzero) digits is 88885278720, while the sum is 93.

The spelling of 49699657970688 in words is "forty-nine trillion, six hundred ninety-nine billion, six hundred fifty-seven million, nine hundred seventy thousand, six hundred eighty-eight".