92149812780481 has 4 divisors (see below), whose sum is σ = 92150030319700. Its totient is φ = 92149595241264.

The previous prime is 92149812780437. The next prime is 92149812780491. The reversal of 92149812780481 is 18408721894129.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16008761199025 + 76141051581456 = 4001095^2 + 8725884^2 .

It is a cyclic number.

It is not a de Polignac number, because 92149812780481 - 2¹³ = 92149812772289 is a prime.

It is a super-2 number, since 2×92149812780481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92149812780491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108132966 + ... + 108981823.

It is an arithmetic number, because the mean of its divisors is an integer number (23037507579925).

Almost surely, 2^{92149812780481} is an apocalyptic number.

It is an amenable number.

92149812780481 is a deficient number, since it is larger than the sum of its proper divisors (217539219).

92149812780481 is a wasteful number, since it uses less digits than its factorization.

92149812780481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217539218.

The product of its (nonzero) digits is 18579456, while the sum is 64.

The spelling of 92149812780481 in words is "ninety-two trillion, one hundred forty-nine billion, eight hundred twelve million, seven hundred eighty thousand, four hundred eighty-one".