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3698072149 is a prime number
BaseRepresentation
bin1101110001101100…
…0001101001010101
3100112201120112022011
43130123001221111
530033201302044
61410542304221
7160433044312
oct33433015125
910481515264
103698072149
111628513382
12872588071
1346c1ca295
142711dbd09
151699d5134
hexdc6c1a55

3698072149 has 2 divisors, whose sum is σ = 3698072150. Its totient is φ = 3698072148.

The previous prime is 3698072107. The next prime is 3698072173. The reversal of 3698072149 is 9412708963.

3698072149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002115025 + 1695957124 = 44745^2 + 41182^2 .

It is a cyclic number.

It is not a de Polignac number, because 3698072149 - 223 = 3689683541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3698042149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849036074 + 1849036075.

It is an arithmetic number, because the mean of its divisors is an integer number (1849036075).

Almost surely, 23698072149 is an apocalyptic number.

It is an amenable number.

3698072149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698072149 is an equidigital number, since it uses as much as digits as its factorization.

3698072149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 3698072149 is about 60811.7764006282. The cubic root of 3698072149 is about 1546.4116992378.

The spelling of 3698072149 in words is "three billion, six hundred ninety-eight million, seventy-two thousand, one hundred forty-nine".