1945668230 has 16 divisors (see below), whose sum is σ = 3820585104. Its totient is φ = 707515680.

The previous prime is 1945668227. The next prime is 1945668269. The reversal of 1945668230 is 328665491.

It is a super-2 number, since 2×1945668230² = 7571249722462665800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8843837 + ... + 8844056.

It is an arithmetic number, because the mean of its divisors is an integer number (238786569).

Almost surely, 2^1945668230 is an apocalyptic number.

1945668230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1945668230 is a deficient number, since it is larger than the sum of its proper divisors (1874916874).

1945668230 is a wasteful number, since it uses less digits than its factorization.

1945668230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17687911.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 1945668230 is about 44109.7294256041. The cubic root of 1945668230 is about 1248.4071936364.

The spelling of 1945668230 in words is "one billion, nine hundred forty-five million, six hundred sixty-eight thousand, two hundred thirty".