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38407219297 is a prime number
BaseRepresentation
bin100011110001001111…
…111010100001100001
310200010122221220010121
4203301033322201201
51112124222004142
625351040000241
72526523656166
oct436117724141
9120118856117
1038407219297
1115319968357
12753a600081
1338110a6785
141c04c3606d
15eebc61c67
hex8f13fa861

38407219297 has 2 divisors, whose sum is σ = 38407219298. Its totient is φ = 38407219296.

The previous prime is 38407219183. The next prime is 38407219337. The reversal of 38407219297 is 79291270483.

38407219297 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., 23972638561 + 14434580736 = 154831^2 + 120144^2 .

It is a cyclic number.

It is not a de Polignac number, because 38407219297 - 223 = 38398830689 is a prime.

It is a super-2 number, since 2×384072192972 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38407216297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19203609648 + 19203609649.

It is an arithmetic number, because the mean of its divisors is an integer number (19203609649).

Almost surely, 238407219297 is an apocalyptic number.

It is an amenable number.

38407219297 is a deficient number, since it is larger than the sum of its proper divisors (1).

38407219297 is an equidigital number, since it uses as much as digits as its factorization.

38407219297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 38407219297 in words is "thirty-eight billion, four hundred seven million, two hundred nineteen thousand, two hundred ninety-seven".