1431412949 has 2 divisors, whose sum is σ = 1431412950. Its totient is φ = 1431412948.

The previous prime is 1431412933. The next prime is 1431412967. The reversal of 1431412949 is 9492141341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 778968100 + 652444849 = 27910^2 + 25543^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431412949 - 2⁴ = 1431412933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431412249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715706474 + 715706475.

It is an arithmetic number, because the mean of its divisors is an integer number (715706475).

Almost surely, 2^1431412949 is an apocalyptic number.

It is an amenable number.

1431412949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431412949 is an equidigital number, since it uses as much as digits as its factorization.

1431412949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 1431412949 is about 37834.0184093628. The cubic root of 1431412949 is about 1126.9941123783.

The spelling of 1431412949 in words is "one billion, four hundred thirty-one million, four hundred twelve thousand, nine hundred forty-nine".