1424971949 has 2 divisors, whose sum is σ = 1424971950. Its totient is φ = 1424971948.

The previous prime is 1424971921. The next prime is 1424971979. The reversal of 1424971949 is 9491794241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132322500 + 292649449 = 33650^2 + 17107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424971949 - 2²⁰ = 1423923373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424971897 and 1424971906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424971979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712485974 + 712485975.

It is an arithmetic number, because the mean of its divisors is an integer number (712485975).

Almost surely, 2^1424971949 is an apocalyptic number.

It is an amenable number.

1424971949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424971949 is an equidigital number, since it uses as much as digits as its factorization.

1424971949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 1424971949 is about 37748.8006299538. The cubic root of 1424971949 is about 1125.3011734234.

The spelling of 1424971949 in words is "one billion, four hundred twenty-four million, nine hundred seventy-one thousand, nine hundred forty-nine".