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63910722049 is a prime number
BaseRepresentation
bin111011100001011000…
…000011101000000001
320002222001022001212121
4323201120003220001
52021342121101144
645205444324241
74421524113466
oct734130035001
9202861261777
1063910722049
1125116a33459
12104776a3681
136046a204c5
14314400766d
1519e0c40384
hexee1603a01

63910722049 has 2 divisors, whose sum is σ = 63910722050. Its totient is φ = 63910722048.

The previous prime is 63910721947. The next prime is 63910722061. The reversal of 63910722049 is 94022701936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43625841424 + 20284880625 = 208868^2 + 142425^2 .

It is a cyclic number.

It is not a de Polignac number, because 63910722049 - 215 = 63910689281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63910721996 and 63910722014.

It is not a weakly prime, because it can be changed into another prime (63910722079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31955361024 + 31955361025.

It is an arithmetic number, because the mean of its divisors is an integer number (31955361025).

Almost surely, 263910722049 is an apocalyptic number.

It is an amenable number.

63910722049 is a deficient number, since it is larger than the sum of its proper divisors (1).

63910722049 is an equidigital number, since it uses as much as digits as its factorization.

63910722049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 63910722049 in words is "sixty-three billion, nine hundred ten million, seven hundred twenty-two thousand, forty-nine".