92419681 has 4 divisors (see below), whose sum is σ = 96437952. Its totient is φ = 88401412.

The previous prime is 92419661. The next prime is 92419693. The reversal of 92419681 is 18691429.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18691429 = 109 ⋅171481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92419681 is a prime.

It is a super-2 number, since 2×92419681² = 17082794872283522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92419601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009101 + ... + 2009146.

It is an arithmetic number, because the mean of its divisors is an integer number (24109488).

Almost surely, 2^92419681 is an apocalyptic number.

It is an amenable number.

92419681 is a deficient number, since it is larger than the sum of its proper divisors (4018271).

92419681 is a wasteful number, since it uses less digits than its factorization.

92419681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018270.

The product of its digits is 31104, while the sum is 40.

The square root of 92419681 is about 9613.5155380329. The cubic root of 92419681 is about 452.1211480546.

The spelling of 92419681 in words is "ninety-two million, four hundred nineteen thousand, six hundred eighty-one".