1948327679 has 4 divisors (see below), whose sum is σ = 1948649976. Its totient is φ = 1948005384.

The previous prime is 1948327663. The next prime is 1948327699. The reversal of 1948327679 is 9767238491.

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 1948327679 - 2⁴ = 1948327663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948327699) 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, 151904 + ... + 164229.

It is an arithmetic number, because the mean of its divisors is an integer number (487162494).

Almost surely, 2^1948327679 is an apocalyptic number.

1948327679 is a deficient number, since it is larger than the sum of its proper divisors (322297).

1948327679 is an equidigital number, since it uses as much as digits as its factorization.

1948327679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322296.

The product of its digits is 4572288, while the sum is 56.

The square root of 1948327679 is about 44139.8649635451. The cubic root of 1948327679 is about 1248.9757324500.

The spelling of 1948327679 in words is "one billion, nine hundred forty-eight million, three hundred twenty-seven thousand, six hundred seventy-nine".