1048494739 has 4 divisors (see below), whose sum is σ = 1084649760. Its totient is φ = 1012339720.

The previous prime is 1048494709. The next prime is 1048494743. The reversal of 1048494739 is 9374948401.

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 1048494739 - 2⁷ = 1048494611 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1048494692 and 1048494701.

It is not an unprimeable number, because it can be changed into a prime (1048494709) 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, 18077467 + ... + 18077524.

It is an arithmetic number, because the mean of its divisors is an integer number (271162440).

Almost surely, 2^1048494739 is an apocalyptic number.

1048494739 is a deficient number, since it is larger than the sum of its proper divisors (36155021).

1048494739 is an equidigital number, since it uses as much as digits as its factorization.

1048494739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36155020.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1048494739 is about 32380.4684802428. The cubic root of 1048494739 is about 1015.9104287265.

The spelling of 1048494739 in words is "one billion, forty-eight million, four hundred ninety-four thousand, seven hundred thirty-nine".