1861427068 has 6 divisors (see below), whose sum is σ = 3257497376. Its totient is φ = 930713532.

The previous prime is 1861427063. The next prime is 1861427069. The reversal of 1861427068 is 8607241681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1861427063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232678380 + ... + 232678387.

Almost surely, 2^1861427068 is an apocalyptic number.

It is an amenable number.

1861427068 is a deficient number, since it is larger than the sum of its proper divisors (1396070308).

1861427068 is a wasteful number, since it uses less digits than its factorization.

1861427068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465356771 (or 465356769 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1861427068 is about 43144.2588069375. The cubic root of 1861427068 is about 1230.1233859522.

The spelling of 1861427068 in words is "one billion, eight hundred sixty-one million, four hundred twenty-seven thousand, sixty-eight".