47969135 has 4 divisors (see below), whose sum is σ = 57562968. Its totient is φ = 38375304.

The previous prime is 47969111. The next prime is 47969143. The reversal of 47969135 is 53196974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53196974 = 2 ⋅26598487.

It is a cyclic number.

It is not a de Polignac number, because 47969135 - 2¹⁶ = 47903599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796909 + ... + 4796918.

It is an arithmetic number, because the mean of its divisors is an integer number (14390742).

Almost surely, 2^47969135 is an apocalyptic number.

47969135 is a deficient number, since it is larger than the sum of its proper divisors (9593833).

47969135 is an equidigital number, since it uses as much as digits as its factorization.

47969135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593832.

The product of its digits is 204120, while the sum is 44.

The square root of 47969135 is about 6925.9753825725. The cubic root of 47969135 is about 363.3462054376.

It can be divided in two parts, 4796 and 9135, that added together give a palindrome (13931).

The spelling of 47969135 in words is "forty-seven million, nine hundred sixty-nine thousand, one hundred thirty-five".