1429377517 has 2 divisors, whose sum is σ = 1429377518. Its totient is φ = 1429377516.

The previous prime is 1429377473. The next prime is 1429377529. The reversal of 1429377517 is 7157739241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109289636 + 320087881 = 33306^2 + 17891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429377517 - 2¹¹ = 1429375469 is a prime.

It is a super-2 number, since 2×1429377517² = 4086240172210170578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429377217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714688758 + 714688759.

It is an arithmetic number, because the mean of its divisors is an integer number (714688759).

Almost surely, 2^1429377517 is an apocalyptic number.

It is an amenable number.

1429377517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429377517 is an equidigital number, since it uses as much as digits as its factorization.

1429377517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 46.

The square root of 1429377517 is about 37807.1093446722. The cubic root of 1429377517 is about 1126.4596735360.

The spelling of 1429377517 in words is "one billion, four hundred twenty-nine million, three hundred seventy-seven thousand, five hundred seventeen".