1948232669 has 8 divisors (see below), whose sum is σ = 2003254968. Its totient is φ = 1893335040.

The previous prime is 1948232647. The next prime is 1948232677. The reversal of 1948232669 is 9662328491.

It can be written as a sum of positive squares in 4 ways, for example, as 1071776644 + 876456025 = 32738^2 + 29605^2 .

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 1948232669 - 2²⁸ = 1679797213 is a prime.

It is a super-2 number, since 2×1948232669² = 7591221065117727122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948232609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989 + ... + 62429.

It is an arithmetic number, because the mean of its divisors is an integer number (250406871).

Almost surely, 2^1948232669 is an apocalyptic number.

It is an amenable number.

1948232669 is a deficient number, since it is larger than the sum of its proper divisors (55022299).

1948232669 is an equidigital number, since it uses as much as digits as its factorization.

1948232669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62335.

The product of its digits is 1119744, while the sum is 50.

The square root of 1948232669 is about 44138.7887124239. The cubic root of 1948232669 is about 1248.9554300621.

The spelling of 1948232669 in words is "one billion, nine hundred forty-eight million, two hundred thirty-two thousand, six hundred sixty-nine".