93254761981 has 4 divisors (see below), whose sum is σ = 93264716412. Its totient is φ = 93244807552.

The previous prime is 93254761939. The next prime is 93254762009. The reversal of 93254761981 is 18916745239.

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 22841485956 + 70413276025 = 151134^2 + 265355^2 .

It is a cyclic number.

It is not a de Polignac number, because 93254761981 - 2¹³ = 93254753789 is a prime.

It is a super-2 number, since 2×93254761981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93254761381) 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, 4963150 + ... + 4981903.

It is an arithmetic number, because the mean of its divisors is an integer number (23316179103).

Almost surely, 2^93254761981 is an apocalyptic number.

It is an amenable number.

93254761981 is a deficient number, since it is larger than the sum of its proper divisors (9954431).

93254761981 is an equidigital number, since it uses as much as digits as its factorization.

93254761981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954430.

The product of its digits is 3265920, while the sum is 55.

The spelling of 93254761981 in words is "ninety-three billion, two hundred fifty-four million, seven hundred sixty-one thousand, nine hundred eighty-one".