1948991294699 has 8 divisors (see below), whose sum is σ = 2063651269680. Its totient is φ = 1834332811776.

The previous prime is 1948991294683. The next prime is 1948991294711. The reversal of 1948991294699 is 9964921998491.

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

It is a cyclic number.

It is not a de Polignac number, because 1948991294699 - 2⁴ = 1948991294683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948991293699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3416147 + ... + 3945635.

It is an arithmetic number, because the mean of its divisors is an integer number (257956408710).

Almost surely, 2^{1948991294699} is an apocalyptic number.

1948991294699 is a deficient number, since it is larger than the sum of its proper divisors (114659974981).

1948991294699 is a wasteful number, since it uses less digits than its factorization.

1948991294699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746029.

The product of its digits is 816293376, while the sum is 80.

The spelling of 1948991294699 in words is "one trillion, nine hundred forty-eight billion, nine hundred ninety-one million, two hundred ninety-four thousand, six hundred ninety-nine".