194838725158994 has 32 divisors (see below), whose sum is σ = 334663414974336. Its totient is φ = 83338782647040.

The previous prime is 194838725158969. The next prime is 194838725159027. The reversal of 194838725158994 is 499851527838491.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160016204 + ... + 161229224.

It is an arithmetic number, because the mean of its divisors is an integer number (10458231717948).

Almost surely, 2^{194838725158994} is an apocalyptic number.

194838725158994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

194838725158994 is a deficient number, since it is larger than the sum of its proper divisors (139824689815342).

194838725158994 is a wasteful number, since it uses less digits than its factorization.

194838725158994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235490.

The product of its digits is 6270566400, while the sum is 83.

The spelling of 194838725158994 in words is "one hundred ninety-four trillion, eight hundred thirty-eight billion, seven hundred twenty-five million, one hundred fifty-eight thousand, nine hundred ninety-four".