1934863792081 has 8 divisors (see below), whose sum is σ = 2120225796864. Its totient is φ = 1751079336720.

The previous prime is 1934863792061. The next prime is 1934863792097. The reversal of 1934863792081 is 1802973684391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1934863792081 - 2⁵ = 1934863792049 is a prime.

It is a super-2 number, since 2×1934863792081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1934863792021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394384786 + ... + 394389691.

It is an arithmetic number, because the mean of its divisors is an integer number (265028224608).

Almost surely, 2^{1934863792081} is an apocalyptic number.

1934863792081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1934863792081 is a deficient number, since it is larger than the sum of its proper divisors (185362004783).

1934863792081 is a wasteful number, since it uses less digits than its factorization.

1934863792081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788774711.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 1934863792081 in words is "one trillion, nine hundred thirty-four billion, eight hundred sixty-three million, seven hundred ninety-two thousand, eighty-one".