1427912873 has 2 divisors, whose sum is σ = 1427912874. Its totient is φ = 1427912872.

The previous prime is 1427912839. The next prime is 1427912903. The reversal of 1427912873 is 3782197241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134544489 + 293368384 = 33683^2 + 17128^2 .

It is an emirp because it is prime and its reverse (3782197241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427912873 - 2¹⁸ = 1427650729 is a prime.

It is a super-2 number, since 2×1427912873² = 4077870345758228258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1427932873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713956436 + 713956437.

It is an arithmetic number, because the mean of its divisors is an integer number (713956437).

Almost surely, 2^1427912873 is an apocalyptic number.

It is an amenable number.

1427912873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427912873 is an equidigital number, since it uses as much as digits as its factorization.

1427912873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 1427912873 is about 37787.7344253397. The cubic root of 1427912873 is about 1126.0747912530.

The spelling of 1427912873 in words is "one billion, four hundred twenty-seven million, nine hundred twelve thousand, eight hundred seventy-three".