1429970663 has 4 divisors (see below), whose sum is σ = 1559968008. Its totient is φ = 1299973320.

The previous prime is 1429970639. The next prime is 1429970671. The reversal of 1429970663 is 3660799241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3660799241 = 11 ⋅332799931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429970663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429970603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64998656 + ... + 64998677.

It is an arithmetic number, because the mean of its divisors is an integer number (389992002).

Almost surely, 2^1429970663 is an apocalyptic number.

1429970663 is a deficient number, since it is larger than the sum of its proper divisors (129997345).

1429970663 is a wasteful number, since it uses less digits than its factorization.

1429970663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129997344.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 1429970663 is about 37814.9529022581. The cubic root of 1429970663 is about 1126.6154669127.

The spelling of 1429970663 in words is "one billion, four hundred twenty-nine million, nine hundred seventy thousand, six hundred sixty-three".