48469639 has 4 divisors (see below), whose sum is σ = 48969424. Its totient is φ = 47969856.

The previous prime is 48469633. The next prime is 48469651. The reversal of 48469639 is 93696484.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48469639 - 2¹¹ = 48467591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48469592 and 48469601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48469633) 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, 249747 + ... + 249940.

It is an arithmetic number, because the mean of its divisors is an integer number (12242356).

Almost surely, 2^48469639 is an apocalyptic number.

48469639 is a deficient number, since it is larger than the sum of its proper divisors (499785).

48469639 is an equidigital number, since it uses as much as digits as its factorization.

48469639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499784.

The product of its digits is 1119744, while the sum is 49.

The square root of 48469639 is about 6962.0140045823. The cubic root of 48469639 is about 364.6055386994.

The spelling of 48469639 in words is "forty-eight million, four hundred sixty-nine thousand, six hundred thirty-nine".