49156665194 has 32 divisors (see below), whose sum is σ = 90807709440. Its totient is φ = 19434390912.

The previous prime is 49156665193. The next prime is 49156665211.

49156665194 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×49156665194² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49156665191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208907 + ... + 376769.

It is an arithmetic number, because the mean of its divisors is an integer number (2837740920).

Almost surely, 2^49156665194 is an apocalyptic number.

49156665194 is a deficient number, since it is larger than the sum of its proper divisors (41651044246).

49156665194 is a wasteful number, since it uses less digits than its factorization.

49156665194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169494.

The product of its digits is 6998400, while the sum is 56.

The spelling of 49156665194 in words is "forty-nine billion, one hundred fifty-six million, six hundred sixty-five thousand, one hundred ninety-four".