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5405521469 is a prime number
BaseRepresentation
bin1010000100011000…
…11011011000111101
3111221201102221102212
411002030123120331
542032303141334
62252215030205
7250645113545
oct50214333075
914851387385
105405521469
112324304317
12106a36b365
13681b8441a
14393ca2325
1521985aece
hex14231b63d

5405521469 has 2 divisors, whose sum is σ = 5405521470. Its totient is φ = 5405521468.

The previous prime is 5405521427. The next prime is 5405521481. The reversal of 5405521469 is 9641255045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5018022244 + 387499225 = 70838^2 + 19685^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405521469 - 232 = 1110554173 is a prime.

It is a super-2 number, since 2×54055214692 = 58439324703639835922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5405521409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702760734 + 2702760735.

It is an arithmetic number, because the mean of its divisors is an integer number (2702760735).

Almost surely, 25405521469 is an apocalyptic number.

It is an amenable number.

5405521469 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405521469 is an equidigital number, since it uses as much as digits as its factorization.

5405521469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 5405521469 is about 73522.2515229233. The cubic root of 5405521469 is about 1755.0083975107.

The spelling of 5405521469 in words is "five billion, four hundred five million, five hundred twenty-one thousand, four hundred sixty-nine".