6448937542 has 8 divisors (see below), whose sum is σ = 9732752856. Its totient is φ = 3204686592.

The previous prime is 6448937461. The next prime is 6448937549. The reversal of 6448937542 is 2457398446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6448937542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448937549) 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, 9890683 + ... + 9891334.

It is an arithmetic number, because the mean of its divisors is an integer number (1216594107).

Almost surely, 2^6448937542 is an apocalyptic number.

6448937542 is a deficient number, since it is larger than the sum of its proper divisors (3283815314).

6448937542 is a wasteful number, since it uses less digits than its factorization.

6448937542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19782182.

The product of its digits is 5806080, while the sum is 52.

The square root of 6448937542 is about 80305.2771740438. The cubic root of 6448937542 is about 1861.3557716515.

The spelling of 6448937542 in words is "six billion, four hundred forty-eight million, nine hundred thirty-seven thousand, five hundred forty-two".