49179479 has 2 divisors, whose sum is σ = 49179480. Its totient is φ = 49179478.

The previous prime is 49179469. The next prime is 49179503. The reversal of 49179479 is 97497194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49179479 - 2⁴ = 49179463 is a prime.

It is a super-2 number, since 2×49179479² = 4837242309422882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49179439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24589739 + 24589740.

It is an arithmetic number, because the mean of its divisors is an integer number (24589740).

Almost surely, 2^49179479 is an apocalyptic number.

49179479 is a deficient number, since it is larger than the sum of its proper divisors (1).

49179479 is an equidigital number, since it uses as much as digits as its factorization.

49179479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 50.

The square root of 49179479 is about 7012.8082106956. The cubic root of 49179479 is about 366.3768079266.

The spelling of 49179479 in words is "forty-nine million, one hundred seventy-nine thousand, four hundred seventy-nine".