1427373149 has 2 divisors, whose sum is σ = 1427373150. Its totient is φ = 1427373148.

The previous prime is 1427373121. The next prime is 1427373179. The reversal of 1427373149 is 9413737241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264300249 + 163072900 = 35557^2 + 12770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427373149 - 2¹⁶ = 1427307613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427373109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713686574 + 713686575.

It is an arithmetic number, because the mean of its divisors is an integer number (713686575).

Almost surely, 2^1427373149 is an apocalyptic number.

It is an amenable number.

1427373149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427373149 is an equidigital number, since it uses as much as digits as its factorization.

1427373149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 1427373149 is about 37780.5922266976. The cubic root of 1427373149 is about 1125.9328950646.

The spelling of 1427373149 in words is "one billion, four hundred twenty-seven million, three hundred seventy-three thousand, one hundred forty-nine".