49698515958 has 128 divisors (see below), whose sum is σ = 127414425600. Its totient is φ = 12573066240.

The previous prime is 49698515957. The next prime is 49698515959. The reversal of 49698515958 is 85951589694.

It is an interprime number because it is at equal distance from previous prime (49698515957) and next prime (49698515959).

It is a junction number, because it is equal to n+sod(n) for n = 49698515892 and 49698515901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49698515953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1417018 + ... + 1451666.

It is an arithmetic number, because the mean of its divisors is an integer number (995425200).

Almost surely, 2^49698515958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49698515958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63707212800).

49698515958 is an abundant number, since it is smaller than the sum of its proper divisors (77715909642).

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

49698515958 is a wasteful number, since it uses less digits than its factorization.

49698515958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782.

The product of its digits is 139968000, while the sum is 69.

The spelling of 49698515958 in words is "forty-nine billion, six hundred ninety-eight million, five hundred fifteen thousand, nine hundred fifty-eight".