1429495261 has 2 divisors, whose sum is σ = 1429495262. Its totient is φ = 1429495260.

The previous prime is 1429495169. The next prime is 1429495297. The reversal of 1429495261 is 1625949241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058200900 + 371294361 = 32530^2 + 19269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429495261 - 2¹¹ = 1429493213 is a prime.

It is a super-3 number, since 3×1429495261³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429415261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714747630 + 714747631.

It is an arithmetic number, because the mean of its divisors is an integer number (714747631).

Almost surely, 2^1429495261 is an apocalyptic number.

It is an amenable number.

1429495261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429495261 is an equidigital number, since it uses as much as digits as its factorization.

1429495261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 1429495261 is about 37808.6664800545. Note that the first 3 decimals coincide. The cubic root of 1429495261 is about 1126.4906031363.

The spelling of 1429495261 in words is "one billion, four hundred twenty-nine million, four hundred ninety-five thousand, two hundred sixty-one".