101669479 has 2 divisors, whose sum is σ = 101669480. Its totient is φ = 101669478.

The previous prime is 101669473. The next prime is 101669531. The reversal of 101669479 is 974966101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101669479 - 2³ = 101669471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101669471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50834739 + 50834740.

It is an arithmetic number, because the mean of its divisors is an integer number (50834740).

Almost surely, 2^101669479 is an apocalyptic number.

101669479 is a deficient number, since it is larger than the sum of its proper divisors (1).

101669479 is an equidigital number, since it uses as much as digits as its factorization.

101669479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 101669479 is about 10083.1284331799. The cubic root of 101669479 is about 466.7276526307.

The spelling of 101669479 in words is "one hundred one million, six hundred sixty-nine thousand, four hundred seventy-nine".