1948491830122 has 4 divisors (see below), whose sum is σ = 2922737745186. Its totient is φ = 974245915060.

The previous prime is 1948491830099. The next prime is 1948491830141. The reversal of 1948491830122 is 2210381948491.

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

It can be written as a sum of positive squares in only one way, i.e., 1851153446041 + 97338384081 = 1360571^2 + 311991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1948491830122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487122957529 + ... + 487122957532.

Almost surely, 2^{1948491830122} is an apocalyptic number.

1948491830122 is a deficient number, since it is larger than the sum of its proper divisors (974245915064).

1948491830122 is an equidigital number, since it uses as much as digits as its factorization.

1948491830122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974245915063.

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 1948491830122 in words is "one trillion, nine hundred forty-eight billion, four hundred ninety-one million, eight hundred thirty thousand, one hundred twenty-two".