1831970068 has 6 divisors (see below), whose sum is σ = 3205947626. Its totient is φ = 915985032.

The previous prime is 1831970059. The next prime is 1831970071. The reversal of 1831970068 is 8600791381.

It can be written as a sum of positive squares in only one way, i.e., 1311308944 + 520661124 = 36212^2 + 22818^2 .

It is a super-2 number, since 2×1831970068² = 6712228660095849248, 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 as a sum of consecutive naturals, namely, 228996255 + ... + 228996262.

Almost surely, 2^1831970068 is an apocalyptic number.

It is an amenable number.

1831970068 is a deficient number, since it is larger than the sum of its proper divisors (1373977558).

1831970068 is a wasteful number, since it uses less digits than its factorization.

1831970068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457992521 (or 457992519 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1831970068 is about 42801.5194590099. The cubic root of 1831970068 is about 1223.5999705548.

The spelling of 1831970068 in words is "one billion, eight hundred thirty-one million, nine hundred seventy thousand, sixty-eight".