1948039901284 has 27 divisors (see below), whose sum is σ = 3494451175243. Its totient is φ = 950207537600.

The previous prime is 1948039901273. The next prime is 1948039901287. The reversal of 1948039901284 is 4821099308491.

The square root of 1948039901284 is 1395722.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5361461284 + 1942678440000 = 73222^2 + 1393800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948039901287) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 114440694 + ... + 114457714.

Almost surely, 2^{1948039901284} is an apocalyptic number.

1948039901284 is the 1395722-nd square number.

It is an amenable number.

1948039901284 is a deficient number, since it is larger than the sum of its proper divisors (1546411273959).

1948039901284 is an frugal number, since it uses more digits than its factorization.

1948039901284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34128 (or 17064 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 1948039901284 in words is "one trillion, nine hundred forty-eight billion, thirty-nine million, nine hundred one thousand, two hundred eighty-four".