1948692485 has 16 divisors (see below), whose sum is σ = 2419209072. Its totient is φ = 1505856000.

The previous prime is 1948692481. The next prime is 1948692491. The reversal of 1948692485 is 5842968491.

It can be written as a sum of positive squares in 8 ways, for example, as 2735716 + 1945956769 = 1654^2 + 44113^2 .

It is not a de Polignac number, because 1948692485 - 2² = 1948692481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1948692485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948692481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26354 + ... + 67763.

It is an arithmetic number, because the mean of its divisors is an integer number (151200567).

Almost surely, 2^1948692485 is an apocalyptic number.

It is an amenable number.

1948692485 is a deficient number, since it is larger than the sum of its proper divisors (470516587).

1948692485 is a wasteful number, since it uses less digits than its factorization.

1948692485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94264.

The product of its digits is 4976640, while the sum is 56.

The square root of 1948692485 is about 44143.9971570314. The cubic root of 1948692485 is about 1249.0536805644.

The spelling of 1948692485 in words is "one billion, nine hundred forty-eight million, six hundred ninety-two thousand, four hundred eighty-five".