101479993 has 4 divisors (see below), whose sum is σ = 101500560. Its totient is φ = 101459428.

The previous prime is 101479991. The next prime is 101479997. The reversal of 101479993 is 399974101.

It is a happy number.

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: 399974101 = 479 ⋅835019.

It is a cyclic number.

It is not a de Polignac number, because 101479993 - 2¹ = 101479991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101479991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (25375140).

Almost surely, 2^101479993 is an apocalyptic number.

It is an amenable number.

101479993 is a deficient number, since it is larger than the sum of its proper divisors (20567).

101479993 is an equidigital number, since it uses as much as digits as its factorization.

101479993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20566.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 101479993 is about 10073.7278601320. The cubic root of 101479993 is about 466.4375185085.

The spelling of 101479993 in words is "one hundred one million, four hundred seventy-nine thousand, nine hundred ninety-three".