1429793917 has 2 divisors, whose sum is σ = 1429793918. Its totient is φ = 1429793916.

The previous prime is 1429793887. The next prime is 1429793921. The reversal of 1429793917 is 7193979241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097861956 + 331931961 = 33134^2 + 18219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429793917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429793927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714896958 + 714896959.

It is an arithmetic number, because the mean of its divisors is an integer number (714896959).

Almost surely, 2^1429793917 is an apocalyptic number.

It is an amenable number.

1429793917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429793917 is an equidigital number, since it uses as much as digits as its factorization.

1429793917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 1429793917 is about 37812.6158444506. The cubic root of 1429793917 is about 1126.5690480159.

The spelling of 1429793917 in words is "one billion, four hundred twenty-nine million, seven hundred ninety-three thousand, nine hundred seventeen".