1429738997 has 2 divisors, whose sum is σ = 1429738998. Its totient is φ = 1429738996.

The previous prime is 1429738991. The next prime is 1429739033. The reversal of 1429738997 is 7998379241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1427781796 + 1957201 = 37786^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429738997 - 2⁸ = 1429738741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429738991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714869498 + 714869499.

It is an arithmetic number, because the mean of its divisors is an integer number (714869499).

Almost surely, 2^1429738997 is an apocalyptic number.

It is an amenable number.

1429738997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429738997 is an equidigital number, since it uses as much as digits as its factorization.

1429738997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The square root of 1429738997 is about 37811.8896248257. The cubic root of 1429738997 is about 1126.5546235678.

The spelling of 1429738997 in words is "one billion, four hundred twenty-nine million, seven hundred thirty-eight thousand, nine hundred ninety-seven".