1948872626 has 4 divisors (see below), whose sum is σ = 2923308942. Its totient is φ = 974436312.

The previous prime is 1948872613. The next prime is 1948872647. The reversal of 1948872626 is 6262788491.

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., 1866153601 + 82719025 = 43199^2 + 9095^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487218155 + ... + 487218158.

Almost surely, 2^1948872626 is an apocalyptic number.

1948872626 is a deficient number, since it is larger than the sum of its proper divisors (974436316).

1948872626 is an equidigital number, since it uses as much as digits as its factorization.

1948872626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974436315.

The product of its digits is 2322432, while the sum is 53.

The square root of 1948872626 is about 44146.0374892243. The cubic root of 1948872626 is about 1249.0921677120.

The spelling of 1948872626 in words is "one billion, nine hundred forty-eight million, eight hundred seventy-two thousand, six hundred twenty-six".