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3486193897 is a prime number
BaseRepresentation
bin1100111111001011…
…0001100011101001
322222221212222222111
43033302301203221
524114431201042
61333533122321
7152251105414
oct31762614351
98887788874
103486193897
11152995808a
128136293a1
13437344534
14251006b7b
151560d1517
hexcfcb18e9

3486193897 has 2 divisors, whose sum is σ = 3486193898. Its totient is φ = 3486193896.

The previous prime is 3486193873. The next prime is 3486193943. The reversal of 3486193897 is 7983916843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3228398761 + 257795136 = 56819^2 + 16056^2 .

It is a cyclic number.

It is not a de Polignac number, because 3486193897 - 27 = 3486193769 is a prime.

It is not a weakly prime, because it can be changed into another prime (3486193807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743096948 + 1743096949.

It is an arithmetic number, because the mean of its divisors is an integer number (1743096949).

Almost surely, 23486193897 is an apocalyptic number.

It is an amenable number.

3486193897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486193897 is an equidigital number, since it uses as much as digits as its factorization.

3486193897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The square root of 3486193897 is about 59043.9996697378. Note that the first 3 decimals coincide. The cubic root of 3486193897 is about 1516.2954999852.

The spelling of 3486193897 in words is "three billion, four hundred eighty-six million, one hundred ninety-three thousand, eight hundred ninety-seven".