5521345429 has 2 divisors, whose sum is σ = 5521345430. Its totient is φ = 5521345428.

The previous prime is 5521345397. The next prime is 5521345463. The reversal of 5521345429 is 9245431255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5122264900 + 399080529 = 71570^2 + 19977^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521345429 - 2⁵ = 5521345397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5521345391 and 5521345400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521355429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760672714 + 2760672715.

It is an arithmetic number, because the mean of its divisors is an integer number (2760672715).

Almost surely, 2^5521345429 is an apocalyptic number.

It is an amenable number.

5521345429 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521345429 is an equidigital number, since it uses as much as digits as its factorization.

5521345429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 40.

The square root of 5521345429 is about 74305.7563651700. The cubic root of 5521345429 is about 1767.4547592730.

The spelling of 5521345429 in words is "five billion, five hundred twenty-one million, three hundred forty-five thousand, four hundred twenty-nine".