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39385226641 is a prime number
BaseRepresentation
bin100100101011100010…
…101101110110010001
310202122211020210222211
4210223202231312101
51121130104223031
630032054032121
72563000621435
oct445342556621
9122584223884
1039385226641
1115780a2a792
127772048641
1339388b3547
141c98a9a9c5
151057a4bbb1
hex92b8add91

39385226641 has 2 divisors, whose sum is σ = 39385226642. Its totient is φ = 39385226640.

The previous prime is 39385226593. The next prime is 39385226653. The reversal of 39385226641 is 14662258393.

39385226641 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., 24306369025 + 15078857616 = 155905^2 + 122796^2 .

It is a cyclic number.

It is not a de Polignac number, because 39385226641 - 27 = 39385226513 is a prime.

It is a super-2 number, since 2×393852266412 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39385236641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19692613320 + 19692613321.

It is an arithmetic number, because the mean of its divisors is an integer number (19692613321).

Almost surely, 239385226641 is an apocalyptic number.

It is an amenable number.

39385226641 is a deficient number, since it is larger than the sum of its proper divisors (1).

39385226641 is an equidigital number, since it uses as much as digits as its factorization.

39385226641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The spelling of 39385226641 in words is "thirty-nine billion, three hundred eighty-five million, two hundred twenty-six thousand, six hundred forty-one".